| bullous scabies: a diagnostic challenge. | scabies, a contagious infestation associated with the human mite sarcoptes scabiei var hominis, occasionally displays a spectrum of atypical cutaneous manifestations and associated symptoms. we describe an unusual case of scabies with bullae formation that mimicked bullous pemphigoid in clinical and histopathologic examination but not direct and indirect immunofluorescence examination. | 2008 | 19090339 |
| sarcoptic mange in wild raccoon dogs (nyctereutes procyonoides) in korea. | infestation with sarcoptes scabiei was diagnosed from four wild raccoon dogs (nyctereutes procyonoides) accidentally captured and presented to the animal health center in seoul grand park zoo, korea. diagnosis was done by microscopic and histologic examination from skin lesions. sarcoptes scabiei was the only species detected from the lesions and characterized by dorsoventrally flattened and round bodies, sucker-like pulvilli borne on long nonjointed pretarsi, triangular scales and spinelike set ... | 2008 | 19110717 |
| scabies in children. | scabies is a common dermatological problem managed by both paediatricians and dermatologists. it manifests itself in various forms in children and differs from that in adults in many ways. the treatment of scabies has developed with the evolution of new strategies and anti-ectoparasitic drugs. drugs such as permethrin and ivermectin have revolutionised its treatment. the management of scabies not only includes prescribing the correct drugs but also educating patients about their application. tre ... | 2007 | 17517973 |
| molecular characterisation of a ph-gated chloride channel from sarcoptes scabiei. | reports of ivermectin resistance in scabies mites raise concerns regarding the sustainability of mass intervention programs for scabies worldwide and for the treatment of crusted scabies. ligand gated ion channels (lgics) are the primary targets of ivermectin in invertebrates. we report the molecular characterisation of sscl--a novel lgic from sarcoptes scabiei var. hominis. while sscl shows sequence similarity to other lgics, phylogenetic analysis does not suggest strong homology to conventiona ... | 2007 | 17602250 |
| interventions for treating scabies. | scabies is an intensely itchy parasitic infection of the skin caused by the sarcoptes scabiei mite. it is a common public health problem with an estimated global prevalence of 300 million cases. serious adverse effects have been reported for some drugs used to treat scabies. | 2007 | 17636630 |
| erythroderma in a young healthy man. | | 2006 | 17083903 |
| [human t-lymphotropic virus 1 (htlv-1), strongyloidiasis and scabies. infections and associations to considerate]. | human t-lymphotropic virus 1 (htlv-1) is classified into the family of retroviridae and preferentially causes a chronic infection of cd4+ t cells. most people infected with htlv-1 remain asymptomatic. however, less than 105 of infected individuals eventually develop any of the associated severe diseases such as inflammatory syndromes, neoplastic diseases and opportunistic infections including strongyloides stercoralis and sarcoptes scabiei hyperinfections. recently, it has been described that a ... | 2008 | 19245164 |
| scabies outbreak in an intensive care unit with 1,659 exposed individuals--key factors for controlling the outbreak. | to investigate a large outbreak of scabies in an intensive care unit of a university hospital and an affiliated rehabilitation center, and to establish effective control measures to prevent further transmission. | 2009 | 19254159 |
| effectiveness of a selamectin spot-on formulation in rabbits with sarcoptic mange. | | 2009 | 19346543 |
| gastrointestinal parasites and ectoparasites of bradypus variegatus and choloepus hoffmanni sloths in captivity from costa rica. | sloths may serve as host to a wide range of parasites. however, there is little information available on the types of parasites that affect costa rica's sloth population. during a 1-yr period, 65 specimens of costa rican sloth species (choloepus hoffmanni; n = 56) and bradypus variegates; n = 9) from a local zoo were sampled. fecal samples were evaluated using two different diagnostic techniques, sheather's flotation and sedimentation. concurrently, these sloths were examined for ectoparasites. ... | 2009 | 19368244 |
| [scabies and the significance of "suriones" in the handwritten manuscripts of hildegard von bingen]. | in her studies on nature and medicine, the "liber simplicis medicinae" (lsm or "physica") and the "liber compositae medicinae" (lcm or "causae et curae"), hildegard von bingen mentions scabies (mange) in several passages. she characterizes "suren aut (= or) sneuelzen" as the cause of the disease, which she calls also "gracillimi vermiculi", that is, tiny worms that burrow into the human skin ("ubi suren aut sneuelzen hominem comedendo ledunt"). in this context the meanings of the german-ancestor ... | 2006 | 17338404 |
| effect of acaricides on the activity of glutathione transferases from the parasitic mite sarcoptes scabiei. | glutathione transferases (gsts) are a family of multifunctional enzymes with fundamental roles in cellular detoxication. here we report the molecular characterization of 3 recombinant gsts belonging to the mu- and delta-class from the parasitic mite sarcoptes scabiei. kinetic constants were determined, and the effect of acaricides, including organothiophosphates, pyrethroid esters, a formamidine, a macrocyclic lactone, an organochlorine as well as a bridged diphenyl acaricide, on the activity of ... | 2008 | 17825117 |
| sarcoptes scabiei var. hominis: three-dimensional structure of a female imago and crusted scabies lesions by x-ray micro-ct. | the three-dimensional structure of scabies mites (sarcoptes scabiei var. hominis) and keratin layers affected by crusted scabies lesions were obtained using x-ray computed tomography at sub-micrometer and micrometer resolution, respectively (x-ray micro-ct). clear three-dimensional images including internal structure of scabies mites were obtained. utilizing reconstructed micro-ct data, the sections of the capitulum (head part), digestive organs, and legs are shown. the reconstructed capitulum s ... | 2009 | 19442661 |
| acaricidal activity of four fractions and octadecanoic acid-tetrahydrofuran-3,4-diyl ester isolated from chloroform extracts of neem (azadirachta indica) oil against sarcoptes scabiei var. cuniculi larvae in vitro. | four fractions obtained from chloroform extracts of neem (azadirachta indica) oil by column chromatography were investigated for acaricidal activity against sarcoptes scabiei var. cuniculi larvae in vitro. octadecanoic acid-tetrahydrofuran-3,4-diyl ester was isolated from an active fraction of the chloroform extract and its toxicity against s. scabiei larvae was tested in vitro. a complementary log-log model was used to analyse the toxicity data. activity was found in the third fraction, with 10 ... | 2009 | 19443124 |
| is its-2 rdna suitable marker for genetic characterization of sarcoptes mites from different wild animals in different geographic areas? | the present study examined the relationship among individual sarcoptes scabiei mites from 13 wild mammalian populations belonging to nine species in four european countries using the second internal transcribed spacer (its-2) of nuclear ribosomal dna (rdna) as genetic marker. the its-2 plus primer flanking 5.8s and 28s rdna (its-2+) was amplified from individual mites by polymerase chain reaction (pcr) and the amplicons were sequenced directly. a total of 148 its-2+ sequences of 404bp in length ... | 2009 | 19019542 |
| outbreak of sarcoptic mange in alpacas (vicugna pacos) and control with repeated subcutaneous ivermectin injections. | an outbreak of sarcoptic mange was investigated in an alpaca herd. clinical disease occurred 2 months after the introduction of four alpacas with dry seborrhoeic skin lesions, the cause of which was not investigated. initially a group of females was affected, despite repeated topical treatment with ivermectin at a dose of 0.5mg/kg bodyweight. one female died and post-mortem examination indicated sarcoptic mange as the cause of death. infection with sarcoptes scabiei was also demonstrated on micr ... | 2009 | 19019545 |
| scabies: should we always perform dermatoscopy? | the authors describe a case of scabies in a 80 year-old woman with a history of intense itching. lesions were not present in the body parts where they usually occur, but few erythematous and papular lesions were visible on the rear trunk. diagnosis was not based on the usual clinical features or on the traditional method of microscopic examination but a high magnification videodermatoscopy was performed and, on a burrow-like scabby lesions at the rear trunk, a mite was found. this paper focuses ... | 2009 | 19528911 |
| external and intestinal parasites of pet dogs with reference to zoonotic toxocariasis. | examination of 3000 pet dogs over two years at the veterinary teaching hospital, faculty of veterinary medicine revealed external and internal parasites. the external parasites were rhipicephalus sanguineus, ctenocephalus felis, sarcoptes canis, and sarcoptes scabiei. the internal parasites were echinococcus granulosus, dipylidium caninum, rare heterophyes heterophyes, and toxocara canis. toxocara eggs were detected in 9.83%. the results were discussed with reference to zoonotic toxocariasis. | 2009 | 19530631 |
| the effect of insecticide synergists on the response of scabies mites to pyrethroid acaricides. | permethrin is the active component of topical creams widely used to treat human scabies. recent evidence has demonstrated that scabies mites are becoming increasingly tolerant to topical permethrin and oral ivermectin. an effective approach to manage pesticide resistance is the addition of synergists to counteract metabolic resistance. synergists are also useful for laboratory investigation of resistance mechanisms through their ability to inhibit specific metabolic pathways. | 2009 | 19125173 |
| diagnosis of scabies with dermoscopy. | | 2008 | 18519900 |
| pediatric infestations. | | 2009 | 19588676 |
| longitudinal evidence of increasing in vitro tolerance of scabies mites to ivermectin in scabies-endemic communities. | | 2009 | 19620572 |
| extracts of sarcoptes scabiei de geer downmodulate secretion of il-8 by skin keratinocytes and fibroblasts and of gm-csf by fibroblasts in the presence of proinflammatory cytokines. | previous in vitro studies showed that molecules in an extract of the mite sarcoptes scabiei variety canis de geer could modulate the secretion of cytokines from cultured normal human epidermal keratinocytes and dermal fibroblasts in the absence of proinflammatory cytokines in the cell culture media. the purpose of this study was to investigate whether scabies extract could also modulate cytokine and chemokine secretion from epidermal keratinocytes and dermal fibroblasts in the presence of proinf ... | 2009 | 19645287 |
| ectoparasites of dogs and cats in albania. | one hundred eighty-one dogs and 26 short-hair cats from suburban areas around tirana, albania were examined for ectoparasite infestation. the dogs were examined on several occasions from 2005 through 2009 representing three seasons: winter (december-february), spring (march-may), and summer (june-august); the cats were examined in late autumn (november). in addition, deep ear swab specimens of 30 dogs were examined for ear mites. the arthropod ectoparasite fauna of the dogs included two tick spe ... | 2009 | 19690887 |
| crusted scabies in a patient with brain astrocytoma: report of a case. | a 31-year-old man was referred to our clinic complaining of generalized erythematous and scaly papules and plaques. he suffered from a brain tumor (astrocytoma) and was immunosuppressed because he was receiving systemic steroids and chemo-radiation therapy. he also had psychomotor retardation and behavior changes due to the pressure effect of his brain tumor. the diagnosis of crusted scabies was established based on direct positive skin smears from the lesions. | 2010 | 19700360 |
| norwegian scabies in immunosuppressed patient misdiagnosed as an adverse drug reaction. | norwegian or crusted scabies is considered a rare affection and presumably represents an abnormal host immune response to sarcoptes scabiei. as the condition mimics a range of dermatoses, it can be easily misdiagnosed and mismanaged. | 2009 | 19750822 |
| identification of pyrethroid resistance associated mutations in the para sodium channel of the two-spotted spider mite tetranychus urticae (acari: tetranychidae). | we investigated pyrethroid resistance mechanisms in tetranychus urticae strains from greece. combined bioassay, biochemical and synergistic data indicated that although p450 mono-oxygenase activities were associated with the trait, target site insensitivity was the major resistance component. a 3.3 kb cdna fragment of the t. urticae para sodium channel gene encompassing segment 4 of domain ii to segment 6 of domain iv was obtained by a degenerate pcr strategy. the t. urticae sequence showed high ... | 2009 | 19754737 |
| guideline for the diagnosis and treatment of scabies in japan (second edition). | the guideline has been prepared by the japanese dermatological association to ensure proper diagnosis and treatment of scabies, as oral therapy became available on august 2006 under health insurance and its clinical use was expected to increase. for making a proper diagnosis, the following three points should be taken into consideration: (i) clinical symptoms; (ii) detection of the mite (sarcoptes scabiei); and (iii) epidemiological symptoms. the diagnosis is confirmed if the mites or eggs are i ... | 2008 | 18578720 |
| long-term study of sarcoptes scabiei infection in norwegian red foxes (vulpes vulpes) indicating host/parasite adaptation. | the red fox (vulpes vulpes) population, in norway, was naïve to sarcoptes scabiei prior to the late 1970s when this parasite was first recorded and a still ongoing epidemic started. during the course of this protracted epidemic some degree of host/parasite adaptation, with the occurrence of healthy antibody positive foxes, might be expected. in the present study the prevalence of sarcoptic mange and serologically identified s. scabiei exposure was investigated in 363 norwegian red foxes, shot by ... | 2008 | 18586406 |
| sarcoptes scabiei: specific immune response to sarcoptic mange in the iberian ibex capra pyrenaica depends on previous exposure and sex. | host acquired immunity is a critical factor that conditions the survival of parasites. nevertheless, there is a shortage of data concerning inter-individual immunological inequalities in wild mammals. sarcoptic mange is a widespread parasitosis that severely affects mammals such as the iberian ibex (capra pyrenaica). despite some work on the subject, the immune response to sarcoptic mange infestation is still a complex and poorly understood phenomenon. to improve knowledge of the host-sarcoptes ... | 2010 | 19857492 |
| review of zoonotic parasites in medical and veterinary fields in the republic of korea. | zoonotic parasites are animal parasites that can infect humans. the major zoonotic protozoa in the republic of korea are babesia bovis, chilomastix mesnili, cryptosporidium parvum, endolimax nana, entamoeba coli, entamoeba hitolytica, giardia lamblia, iodamoeba bütschlii, pneumocystis carinii, sarcocystis cruzi, and toxoplasma gondii. the major zoonotic helminths in korea include trematodes, cestodes, and nematodes. trematodes are clonorchis sinensis, echinostoma hortense, echinostoma spp., fasc ... | 2009 | 19885329 |
| some observations on sheep sarcoptic mange in tehran province, iran. | sarcoptes scabiei infestation was diagnosed in 278 sheep from 12 fatling flocks. the sheep presented crusted skin lesions initially appear on the lips or nostrils, the lesion on nostrils also extend towards around the eyes, the supraorbital fossae and in some cases over entire face. the infested male lambs by mating behavior in fatling flocks caused transmitting the infection to fat tail area and scrotum. histopathological study of lesions demonstrated marked acanthosis, hyperkeratosis, parakera ... | 2009 | 18626781 |
| frequency of scabies in iraq: survey in a dermatology clinic. | the burden of scabies is highest in tropical countries, but recent data from iraq are scanty. | 2009 | 20009281 |
| skin-scale genetic structure of sarcoptes scabiei populations from individual hosts: empirical evidence from iberian ibex-derived mites. | the objective of the present study was to examine the extent of genetic diversity among sarcoptes scabiei individuals belonging to different skin subunits of the body from individual mangy hosts. ten microsatellite primers were applied on 44 individual s. scabiei mites from three mangy iberian ibexes from sierra nevada mountain in spain. dendrograms of the mites from the individual iberian ibexes, showing the proportion of shared alleles between pairs of individual mites representing three skin ... | 2008 | 18758821 |
| treatment of scabies infestations. | scabies is an intensely pruritic disorder induced by an immune allergic response to infestation of the skin by the mite sarcoptes scabiei. the biology of the mite, the clinical aspects and diagnosis of scabies infestations as well as the treatment of choice with 5% permethrin dermal cream and the use of scabicides based on other chemical substances are reviewed. | 2008 | 18814689 |
| effectiveness of the postponed isolation (post-frozen isolation) method for pcr-quality sarcoptes mite gdna. | the aim of the present study was to assess whether individual sarcoptes mites collected from frozen skin ('postponed isolation' method) are suitable sources of pcr-quality genomic dna, and to test the effectiveness of this method in comparison with the 'direct isolation' method, often used through force of habit. hundreds of single sarcoptes scabiei samples, resulting from direct (live) or postponed (post-frozen) isolation, were tested using a approximately 450 bp product (its-2) and multi-locus ... | 2009 | 18855106 |
| norwegian scabies in a renal transplant patient. | | 2008 | 18855794 |
| skin nodules on multimammate mice (mastomys coucha). | | 2007 | 17721527 |
| ectoparasites are the major causes of various types of skin lesions in small ruminants in ethiopia. | ectoparasites are the major causes of skin lesions in animals. clinical, skin scraping examination, and histopathological studies were conducted to identify and characterize skin lesions in small ruminants caused by ectoparasites. mange mites, lice, sheep keds, and ticks were collected from the skin of affected animals for species identification. skin biopsies were collected from affected part of the skin and fixed in 10% neutral buffered formalin for histopathology. of 1,000 sheep and 600 goats ... | 2010 | 20195754 |
| epidemiology of fasciolosis affecting iberian ibex (capra pyrenaica) in southern spain. | between 1995 and 2006, we surveyed the presence of fasciola hepatica in iberian ibex (capra pyrenaica) from andalucía (southern spain) by both necropsy (n = 2,096) and coprological approaches (n = 380). most of the samples came from the sierra nevada mountain range (n = 1,884 and 267, respectively), and all positive cases involved animals from this location. the prevalence reached 0.53% by necropsy and 1.87% by faecal examination. taking into account both diagnostic methodologies and the total n ... | 2008 | 18092179 |
| infestation with sarcoptes scabiei var. hominis. | | 1947 | 20255748 |
| diagnosis and treatment of sarcoptes scabiei infestations. | | 1949 | 18108146 |
| molecular and biochemical properties of storage mites (except blomia species). | in recent years, the allergological importance of different mite species not belonging to the family pyroglyphidae has been demonstrated. these mites, commonly named storage mites, include lepidoglyphus destructor, glycyphagus domesticus, tyrophagus putrescentiae, acarus siro, aleuroglyphus ovatus, suidasia medanensis and thyreophagus entomophagus. several allergens from these species have been purified, sequenced and cloned. many of these allergens have shown sequence homology and a biological ... | 2007 | 18220992 |
| comparison of efficacy of ivermectin and doramectin against mange mite (sarcoptes scabiei) in naturally infested rabbits in turkey. | the authors used 14 new zealand rabbits (5 naturally infested rabbits and 9 in-contact rabbits) for sarcoptes scabiei treatment in this study. signs, such as itchy ears, eyes, tail and abdominal skin, alopecia and pyoderma, were considered to be the cause of these disorders. infested rabbits were grouped according to the intensity of s. scabiei infestation (low, medium and high). each group was then divided into two subgroups; in one subgroup the rabbits received ivermectin (1%) and, in the othe ... | 2010 | 20391367 |
| a retrospective investigation into risk factors of sarcoptic mange in dogs. | this retrospective study of sarcoptic mange in dogs aimed to identify risk factors for this disease and determine their influence on treatment outcome. data regarding dog demographics, clinical presentation, diagnostic method, treatment, and outcome were analyzed. no statistical association was found between sex and incidence of sarcoptic mange. however, age of dogs was found to be a risk factor which could increase the chances of dogs contracting sarcoptic mange. the results indicate that the d ... | 2010 | 20405144 |
| parasitic diseases of remote indigenous communities in australia. | indigenous australians suffer significant disadvantage in health outcomes and have a life expectancy well below that of non-indigenous australians. mortality rates of indigenous australians are higher than that of indigenous populations in developed countries elsewhere in the world. a number of parasitic diseases which are uncommon in the rest of the australian population contribute to the high burden of disease in many remote indigenous communities. high rates of infection with enteric parasite ... | 2010 | 20412810 |
| scabies: molecular perspectives and therapeutic implications in the face of emerging drug resistance. | limited effective treatments, coupled with recent observations of emerging drug resistance to oral ivermectin and 5% permethrin, raise concerns regarding the future control of scabies, especially in severe cases and in endemic areas where repeated community treatment programs are in place. there is consequently an urgent need to define molecular mechanisms of drug resistance in scabies mites and to develop and assess alternative therapeutic options, such as tea tree oil, in the event of increasi ... | 2008 | 18230034 |
| sarcoptes mite epidemiology and treatment in african buffalo (syncerus caffer) calves captured for translocation from the kafue game management area to game ranches. | in zambia, translocation of wildlife from national parks to private owned game ranches demands that only animals free of infectious diseases that could adversely affect the expansion of the wildlife industry should be translocated to game ranches. sarcoptes mange (sarcoptes scarbiei) has been involved in the reduction of wildlife populations in some species. | 2010 | 20515454 |
| scaly scalp associated with crusted scabies: case series. | the diagnosis of crusted scabies is becoming more relevant due to the increase in number of immunocompromised patients. to date, more than 200 cases have been reported in the literature. however, crusted scabies seems to be under-diagnosed because of its unusual presentations. in this case series we present history, clinical manifestations, koh smear, and histopathological findings of a series of four patients with crusted scabies. scaly scalp was a prominent feature of the disease in all cases. ... | 2007 | 18328212 |
| norwegian scabies in a malnourished young adult: a case report. | a 19-year-old male was admitted to the medical ward with complaints of fever and swelling of the ankle and wrist joints of about two weeks duration. the patient developed hyperkeratotic lesions of the skin over the hands, elbow and back about three weeks after admission. antistreptolysin o, rheumatoid factor, and widal tests as well as chickungunya, brucella, hiv and antinuclear antibodies were negative. culture of blood sample and pus aspirate from the ankle and chest yielded a pure growth of s ... | 2010 | 20539068 |
| high-resolution melt analysis for the detection of a mutation associated with permethrin resistance in a population of scabies mites. | permethrin as a topical acaricide cream is widely used to treat scabies. the neuronal voltage-sensitive sodium channel (vssc), necessary for the generation of action potentials in excitable cells, is the target of pyrethroid acaricides such as permethrin. pyrethroid resistance has been linked to specific mutations in the vssc gene. following the partial sequencing of the vssc gene in the scabies mite sarcoptes scabiei (l.) (astigmata: sarcoptidae), we compared vssc gene sequences from permethrin ... | 2008 | 18380658 |
| new insights into disease pathogenesis in crusted (norwegian) scabies: the skin immune response in crusted scabies. | crusted scabies is a rare and severely debilitating disease characterized by infestation of the skin with up to millions of sarcoptes scabiei mites, high total igg levels, extremely high total ige levels, and the development of hyperkeratotic skin crusts that may be loose, scaly and flaky or thick and adherent. | 2008 | 18422789 |
| development and evaluation of an antibody elisa for sarcoptic mange in sheep and a comparison with the skin-scraping method. | in this work an indirect elisa for detecting serum-specific igg antibodies in sheep was developed using a crude saline extract from sarcoptes scabiei var. ovis mites and then the repeatability of the elisa outcomes was estimated. subsequently, its diagnostic accuracy was evaluated by receiver operating characteristics (roc) analysis using a sample collected from the entire sheep population of western castile and leon region in spain, and then compared with that of the skin-scraping method. the r ... | 2010 | 20594604 |
| modulation of human dermal microvascular endothelial cells by sarcoptes scabiei in combination with proinflammatory cytokines, histamine, and lipid-derived biologic mediators. | the ectoparasitic mite, sarcoptes scabiei, produces molecules that depress initiation of host inflammatory and immune responses. some of these down-regulate expression of adhesion molecules or secretion of chemokines or cytokines on and by cultured dermal endothelial cells (hmvec-d). this study was undertaken to determine if the response of hmvec-d to scabies is altered in the presence of various proinflammatory cytokines (tumor necrosis factor alpha and interleukins 1alpha, 1beta and 6), histam ... | 2009 | 19523846 |
| scabies. | scabies is an ectoparasite caused by the mite sarcoptes scabiei var hominis, an obligate human parasite. there are about 300 million cases of scabies in the world each year. common predisposing factors are overcrowding, immigration, poor hygiene, poor nutritional status, homelessness, dementia, and sexual contact. direct skin-to-skin contact between 15 and 20 minutes is needed to transfer the mites from one person to another. the diagnosis suspected with a clinical history of itch, worse at nigh ... | 2009 | 19580575 |
| crusted scabies. | crusted scabies is a rare manifestation of scabies characterized by uncontrolled proliferation of mites in the skin. in immunocompromised patients, this infestation is characterized by crusted lesions. the occurrence of the disease in human immunodeficiency virus-infected patients and the widespread use of immunosuppressive agents has led to a renewed interest in the disease. early recognition and treatment is necessary to avoid an outbreak of scabies. this review highlights the pathogenesis, pr ... | 2009 | 19584457 |
| sarcoptes mite from collection to dna extraction: the lost realm of the neglected parasite. | sarcoptes mite from collection to dna extraction forms the cornerstone for studies on sarcoptes scabiei. whilst the new science era took a shy leap into the different facets of mite studies, the cornerstone was almost entirely neglected. mite collection, cleaning, storage and dna extraction were, basically, humble attempts to extrapolate, adapt, modify or 'pirate' those existing methods to the peculiarities of sarcoptes research. these aspects usually constituted few lines, bashfully mentioned, ... | 2009 | 19159955 |
| recognition and management of common ectoparasitic diseases in travelers. | this review article summarizes the ectoparasitic diseases likely to be seen by a western dermatologist. the article aims to cover both endemic diseases and those likely to present in the returning traveler. tungiasis is due to the gravid sand flea (tunga penetrans) embedding into the stratum corneum of a human host. as the flea is a ground dweller, lesions are usually present on the feet and are classically periungual. the sand flea is eventually shed spontaneously but to reduce the infection ri ... | 2009 | 19170405 |
| [scabies]. | scabies is an infectious disease caused by sarcoptes scabiei var. hominis. the disease is mainly transmitted by close personal contact. the primary clinical picture is characterized by burrows at typical areas as well as severe pruritus, while secondarily a rather non-specific exanthema can be observed. the detection of mites or mite products (eggs, feces) confirms the diagnosis; dermatoscopy may facilitate the diagnosis. first choice therapy for most variants of scabies is topical permethrin. o ... | 2009 | 19189068 |
| clinical evaluation and antibody responses in sheep after primary and secondary experimental challenges with the mange mite sarcoptes scabiei var. ovis. | in this work the clinical evolution and the specific serum igg and ige antibody responses in sheep after primary (n=10) and secondary (n=4) experimental challenges with the mange mite sarcoptes scabiei var. ovis were studied. the primary infection was characterized by the development of mange lesions in all sheep, a detection of live s. scabiei mites in 70% skin scrapings taken in week 10 post-challenge (pc), strongly raised and sustained specific igg levels and a more moderate but continuous ri ... | 2010 | 19783311 |
| characterization of a serine protease homologous to house dust mite group 3 allergens from the scabies mite sarcoptes scabiei. | the scabies mite, sarcoptes scabiei var. hominis, infests human skin, causing allergic reactions and facilitating bacterial infection by streptococcus sp., with serious consequences such as rheumatic fever and rheumatic heart disease. to identify a possible drug target or vaccine candidate protein, we searched for homologues of the group 3 allergen of house dust mites, which we subsequently identified in a cdna library. the native protein, designated sar s 3, was shown to be present in the mite ... | 2009 | 19812030 |
| efficacy of a spot-on formulation of pyriprole on dogs infested with sarcoptes scabiei. | to determine the efficacy of a 12.5 per cent spot-on formulation of pyriprole (prac-tic; novartis animal health) and that of a combination of 10 per cent imidacloprid and 2.5 per cent moxidectin (advocate; bayer animal health) against sarcoptes scabiei on dogs, 20 naturally infested adult dogs were ranked according to their pretreatment mite counts, allocated to one of two groups and housed individually in pens. two spot-on treatments with each product, 30 days apart, were administered. mite cou ... | 2010 | 20852247 |
| characterisation of sarcoptes scabiei antigens. | in pig herds, the status of sarcoptes scabiei infections is routinely monitored by serodiagnosis. crude antigen for elisa is usually prepared from s. scabiei var. canis or other variations and may lead to variations in the outcome of different tests, making assay standardisation difficult. this study was performed to investigate the antigen profiles of s. scabiei, including differences between hydrophilic and more hydrophobic protein fractions, by western blotting with sera from pigs with define ... | 2010 | 20865427 |
| sarcoptes scabiei var. canis refractory to ivermectin treatment in two dogs. | a 10-year-old castrated male shih tzu presented with severe generalized pruritus. skin scrapings revealed the presence of sarcoptes scabiei var. canis. a yorkshire terrier in the same household simultaneously developed pruritus due to scabies. both dogs were treated with 300 μg/kg ivermectin, at first orally and then subcutaneously at 14 day intervals. however, live mites were still found on day 35, and the skin condition deteriorated in both dogs. these findings suggested that the s. scabiei in ... | 2010 | 20880016 |
| response of human skin equivalents to sarcoptes scabiei. | studies have shown that molecules in an extract made from bodies of the ectoparasitic mite, sarcoptes scabiei de geer, modulate cytokine secretion from cultured human keratinocytes and fibroblasts. in vivo, in the parasitized skin, these cells interact with each other by contact and cytokine mediators and with the matrix in which they reside. therefore, these cell types may function differently together than they do separately. in this study, we used a human skin equivalent (hse) model to invest ... | 2010 | 20939384 |
| tinea pseudoimbricata caused by m. gypseum associated to crusted scabies. | tinea pseudoimbricata is related to t. tonsurans and t. rubrum and crusted scabies is a highly contagious dermatosis caused by excessive proliferation of s. scabiei var. hominis. we described a case of a 21-year-old patient, seronegative for hiv, with both skin diseases. the occurrence of these dermatosis simultaneously in immunocompetent patients is very rare. | 2010 | 20944921 |
| physaloptera sibirica in foxes and badgers from the western alps (italy). | we investigated the presence of physaloptera sibirica and its distribution as well as the association among the parasite, host (i.e. mange due to sarcoptes scabiei) and environmental factors (i.e. altitudes) in foxes (vulpes vulpes) and badgers (meles meles) from the north-west of italy. from 1996 to 2008 a total of 608 foxes, culled by hunters or road killed, and 39 road killed badgers were examined in order to investigate the presence of nematodes in the stomach. p. sibirica was found in 16 fo ... | 2009 | 19411141 |
| structural mechanisms of inactivation in scabies mite serine protease paralogues. | the scabies mite (sarcoptes scabiei) is a parasite responsible for major morbidity in disadvantaged communities and immuno-compromised patients worldwide. in addition to the physical discomfort caused by the disease, scabies infestations facilitate infection by streptococcal species via skin lesions, resulting in a high prevalence of rheumatic fever/heart disease in affected communities. the scabies mite produces 33 proteins that are closely related to those in the dust mite group 3 allergen and ... | 2009 | 19427318 |
| scabies mite inactivated serine protease paralogs inhibit the human complement system. | infestation of skin by the parasitic itch mite sarcoptes scabiei afflicts 300 million people worldwide and there is a need for novel and efficient therapies. we have previously identified a multigene family of serine proteases comprising multiple catalytically inactive members (scabies mite-inactivated protease paralogs (smipps)), which are secreted into the gut of s. scabiei. smipps are located in the mite gut and in feces excreted into the upper epidermis. scabies mites feed on epidermal prote ... | 2009 | 19494305 |
| treatment of crusted scabies with albendazole: a case report. | crusted scabies is a severe variant of scabies caused by the ectoparasite sarcoptes scabiei. it is characterized by high mite burden, extensive hyperkeratotic scaling, crusted lesions, variable pruritus, generalized lymphadenopathy, erythroderma, and eosinophilia, in some cases. there is an increased incidence of crusted scabies, particularly among patients with hiv infection. we describe a 22-year-old syrian immunocompetent female who had hyperkeratotic psoriasiform plaques and hyperkeratosis w ... | 2009 | 19951635 |
| acute phase protein response in alpine ibex with sarcoptic mange. | the acute phase proteins (app) are a group of serum proteins that change their concentration in animals following external or internal challenges, such as infection, inflammation or stress. the concentrations of four apps, including serum amyloid a (saa), haptoglobin (hp), alpha(1)-acid glycoprotein (agp) and ceruloplasmin (cp) were determined in serum collected from healthy alpine ibexes (capra ibex) and ibexes with sarcoptes scabiei mange. primary structures of all four apps were determined by ... | 2010 | 20036058 |
| sarcoptic mange infestation in pigs in a hilly region of meghalaya. | skin lesions were collected from 15 adult crossbred pigs maintained at the pig farm of icar research complex for the north-eastern hill region, umiam, a hilly region of the state of meghalaya, india. skin scrapings of these 15 animals were examined by koh digestion method. presence of mites were detected in five animals which were indistinguishable from sarcoptes scabiei var. suis. infected pigs were treated with a single dose of ivermectin at 200 ug/kg body weight, subcutaneously. no mites were ... | 2010 | 20041347 |
| acute mental status change in an immunocompromised patient. | | 2010 | 20064029 |
| [bullous scabies responding to ivermectin therapy]. | bullous scabies is a rare disease that is usually diagnosed in elderly patients. the clinical, histological, and immunological findings are identical to bullous pemphigoid. in a review of the literature, we found reports of 24 cases. we present a new case of bullous scabies in a 72-year-old man. the lesions responded to treatment with oral ivermectin. | 2010 | 20109396 |
| permethrin and ivermectin for scabies. | | 2010 | 20181973 |
| quality of life of patients with scabies. | scabies is a highly contagious disease caused by the mite sarcoptes scabiei, and the disease is still a major public health problem in many resource-poor regions. apart from the skin lesions or substantial morbidity, scabies also leads to social stigma. however, quality of life (qol) has not been investigated in patients with scabies. | 2010 | 20236379 |
| the preparation of neem oil microemulsion (azadirachta indica) and the comparison of acaricidal time between neem oil microemulsion and other formulations in vitro. | the preparation of neem oil microemulsion and its acaricidal activity in vitro was developed in this study. in these systems, the mixture of tween-80 and the sodium dodecyl benzene sulfonate (sdbs) (4:1, by weight) was used as compound surfactant; the mixture of compound surfactant and hexyl alcohol (4:1, by weight) was used as emulsifier system; the mixture of neem oil, emulsifier system and water (1:3.5:5.5, by weight) was used as neem oil microemulsion. all the mixtures were stired in 800 rpm ... | 2010 | 20304561 |
| ectoparasites of small ruminants in three selected agro-ecological sites of tigray region, ethiopia. | a study on ectoparasites of small ruminants in three selected agro-ecological sites of tigray region, ethiopia disclosed an overall prevalence of 55.5% and 58% in each examined 750 sheep and goats, respectively. in the sheep population, melophagus ovinus (19.1%), tick infestations (16%), damalinia ovis (15.3%), linognathus africanus (11.5%), and ctenocephalides felis (9%) were the major ectoparasites. the major ectoparasites identified in goats were tick infestations (29.7%), l. africanus (27.9% ... | 2010 | 20369295 |
| increased transcription of glutathione s-transferases in acaricide exposed scabies mites. | abstract: | 2010 | 20482766 |
| generalized granuloma annulare associated with scabies. | granuloma annulare (ga) is a common dermatosis of unknown etiology, which, in 10%-15% of cases, presents as the generalized subtype. ga has been associated with infections, vaccines, and neoplasias. we describe a case of generalized ga arising in a 50-year-old man with a diffuse infestation by sarcoptes scabiei. | 2010 | 20526174 |
| diagnostic usefulness of a nested polymerase chain reaction assay for detecting sarcoptes scabiei dna in skin scrapings from clinically suspected scabies. | | 2010 | 20560958 |
| facts, fiction, and figures of the sarcoptes scabiei infection. | today scabies, an ectoparasitic skin disease caused by the mite sarcoptes scabiei variety hominis, is estimated to infect over 300 million humans worldwide. scabies most frequently occurs among children and young adults. outbreaks in child care facilities and schools are common. scabies affects all socioeconomic classes and races. students presenting with a possible outbreak of scabies in the school setting must be referred by the school nurse to a medical provider for diagnosis and treatment be ... | 2010 | 20566701 |
| evaluation of organ function and oxidant/antioxidant status in goats with sarcoptic mange. | the objective of the present study was to investigate the hemato-biochemical changes and status of oxidative stress in goats with scabies infection. the study was conducted on 12 jamunapari goats; six clinically infected with scabies (group i) and six healthy goats as control (group ii). the examination of skin scraping revealed the presence of sarcoptes scabiei in the infected group. in hemato-biochemical indicators, hemoglobin%, packed cell volume, total erythrocyte count, albumin and albumin: ... | 2010 | 20623336 |
| the immunology of susceptibility and resistance to scabies. | the transmission of scabies occurs with the burrowing of sarcoptes scabiei var. hominis mites into the skin. infestation invariably leads to the development of localized cutaneous inflammation, pruritus and skin lesions. classical transmission studies document an initial increase in s. scabiei numbers subsequent to primary infestation with a gradual reduction as host immunity develops. however, certain individuals fail to control infection and develop severe crusting of the skin, accompanied wit ... | 2010 | 20626808 |
| increased allergic immune response to sarcoptes scabiei antigens in crusted versus ordinary scabies. | scabies, a parasitic skin infestation by the burrowing "itch" mite sarcoptes scabiei, causes significant health problems for children and adults worldwide. crusted scabies is a particularly severe form of scabies in which mites multiply into the millions, causing extensive skin crusting. the symptoms and signs of scabies suggest host immunity to the scabies mite, but the specific resistant response in humans remains largely uncharacterized. we used 4 scabies mite recombinant proteins with sequen ... | 2010 | 20631334 |
| a tractable experimental model for study of human and animal scabies. | scabies is a parasitic skin infestation caused by the burrowing mite sarcoptes scabiei. it is common worldwide and spreads rapidly under crowded conditions, such as those found in socially disadvantaged communities of indigenous populations and in developing countries. pruritic scabies lesions facilitate opportunistic bacterial infections, particularly group a streptococci. streptococcal infections cause significant sequelae and the increased community streptococcal burden has led to extreme lev ... | 2010 | 20668508 |
| acaricide resistance mechanisms in the two-spotted spider mite tetranychus urticae and other important acari: a review. | the two-spotted spider mite tetranychus urticae koch is one of the economically most important pests in a wide range of outdoor and protected crops worldwide. its control has been and still is largely based on the use of insecticides and acaricides. however, due to its short life cycle, abundant progeny and arrhenotokous reproduction, it is able to develop resistance to these compounds very rapidly. as a consequence, it has the dubious reputation to be the"most resistant species" in terms of the ... | 2010 | 20685616 |
| cross-sectional sero-epidemiological survey of sarcoptic mange in sheep of western castile and leon, spain. | the aim of the present study was to determine the prevalence of sarcoptes scabiei-infection of ovine livestock in three provinces (leon, zamora and salamanca) in the western part of the castile and leon region in spain, and to determine the association between different variables and seropositivity. a total of 3730 sheep sera from 373 flocks (10 sera from each flock) collected from may to september over the course of the years 2006 and 2007 were individually analysed by an indirect antibody elis ... | 2010 | 20691485 |
| acaricidal activity of eugenol based compounds against scabies mites. | human scabies is a debilitating skin disease caused by the "itch mite" sarcoptes scabiei. ordinary scabies is commonly treated with topical creams such as permethrin, while crusted scabies is treated with topical creams in combination with oral ivermectin. recent reports of acaricide tolerance in scabies endemic communities in northern australia have prompted efforts to better understand resistance mechanisms and to identify potential new acaricides. in this study, we screened three essential oi ... | 2010 | 20711455 |
| norwegian scabies in a renal transplant patient. | a variety of skin infections are encountered in postrenal transplant setting. though bacterial and fungal infections are more common, surprises are in store for us sometimes. we describe a patient who underwent renal transplant two years ago, presenting with a painless, mildly pruritic expanding skin rash over abdomen. histological examination of the skin biopsy showed that stratum corneum had multiple burrows containing larvae and eggs of sarcoptes scabiei. the patient was treated with ivermect ... | 2010 | 20835323 |
| sarcoptic mange found in wolves in the rocky mountains in western united states. | we documented sarcoptic mange caused by mites (sarcoptes scabiei) in 22 gray wolves (canis lupus) in the northern rocky mountain states of montana (n=16) and wyoming (n=6), from 2002 through 2008. to our knowledge, this is the first report of sarcoptic mange in wolves in montana or wyoming in recent times. in addition to confirming sarcoptic mange, we recorded field observations of 40 wolves in montana and 30 wolves in wyoming displaying clinical signs of mange (i.e., alopecia, hyperkeratosis, a ... | 2010 | 20966263 |
| diagnosis of infestation with sarcoptes scabiei var. hominis. | | 1946 | 20982714 |
| negative effect of the arthropod parasite, sarcoptes scabiei, on testes mass in iberian ibex, capra pyrenaica. | testes mass is a key factor in male reproductive success and is potentially exposed to so-called 'parasitic castration'. this is the result of the direct destruction or alteration of reproductive cell lineages (parasitic castration sensu stricto), or the indirect detrimental effects - for example, via body condition - on the ability of progenitors to produce or rear offspring (parasitic castration sensu lato). there are enormous gaps in our knowledge on the effects of parasites on the testes of ... | 2010 | 21074328 |
| circulating oxidative stress status in dromedary camels infested with sarcoptic mange. | oxidative stress is an imbalance between radical-generating and radical-scavenging activity, resulting in oxidation products and tissue damage. this study was aimed to evaluate the status of oxidative stress indices in blood of camels naturally infested with s. scabiei. forty-seven male camels (camelus dromedaries) were divided according to the extent of the infested area with sarcoptes scabiei into four groups, mild (mid, n = 12), moderate (mod, n = 10), severely infested (sev, n = 10) and heal ... | 2010 | 21082344 |
| usefulness of estimated surface area of damaged skin as a proxy of mite load in the monitoring of sarcoptic mange in free-ranging populations of iberian wild goat, capra pyrenaica. | in this study we examined the influence of several factors, like the surface of skin with lesions attributable to sarcoptes scabiei, the time of year and host sex and age on variations of mite load in iberian wild goats, capra pyrenaica, from the sierra nevada natural space, southern spain. as well, the surface area of skin with scabietic lesions estimated during field surveys were compared with measurements taken in the laboratory and the potential for using categories based on surface areas es ... | 2010 | 21130576 |
| prevention, control and treatment of scabies. | scabies is a common, but neglected, skin condition that is becoming increasingly prevalent globally. it causes distress and is frequently regarded as a stigmatising condition, although it can affect anyone of any age or social class. understanding the epidemiology and life cycle of the mite sarcoptes scabiei which causes scabies, is the key to effective prevention and control. | 2010 | 21141167 |
| hunting sarcoptes scabiei-dead or alive! | | 2011 | 21183149 |
| transmission of swine pathogens: different means, different needs. | there seems to be two main types of pathogens that cause diseases in swine: those that are mainly introduced through direct pig contacts, and those that are often, and in some situations mainly introduced by indirect transmission means. in this review, the mange mite (sarcoptes scabiei), toxigenic pasteurella multocida and brachyspira hyodysenteriae will be used as examples of the first type, and foot and mouth disease virus, mycoplasma hyopneumoniae and porcine reproductive and respiratory synd ... | 2011 | 21241537 |
| pink pigtail in a skin biopsy: what is your diagnosis? | sarcoptes scabiei is an obligate ectoparasite, which burrows into the stratum granulosum of the epidermis and lays its eggs. the resultant host inflammatory response leads to intensely pruritic papules. case synopsis: a 63-year-old man undergoing treatment for immunoproliferative disease was suspected of having a pruritic drug eruption. subsequent skin biopsy revealed an intracorneal burrow containing three pink, refractile pigtail-like structures, believed to be empty eggshells of s. scabiei. c ... | 2011 | 21272503 |
| control strategies for endemic childhood scabies. | human scabies is a major global public health issue, with an estimated 300 million cases per year worldwide. prevalence rates are particularly high in many third-world regions and within various indigenous communities in developed countries. infestation with sarcoptes scabiei is associated with group-a streptococcal pyoderma which in turn predisposes to rheumatic fever, acute glomerulonephritis and their respective long-term sequelae: rheumatic heart disease and chronic renal insufficiency. the ... | 2011 | 21283575 |