| [demodectic mange in a dog in beytepe university campus (author's transl)]. | scabies (mange) is a skin disease of men and animals caused by microscopical acarids. there are mainly three species in turkey, namely demodex folliculorum, sarcoptes scabiei var. hominis, and pyemones ventricosus. they are easily transmissible from animals to men and from men to animals. these parasites may cause inflammation, thickening, scabrous and severe itching. serious infectious and parasitic diseases are transmitted from dogs to men. we present a case of demodectic mange in a dog in bey ... | 1979 | 554011 |
| [scabies in infants--problems in differential diagnosis]. | scabies is very often parasites dermatosis. diagnostic problems are not rare considering the fact that the clinical picture of scabies in infant population is different compared to the adult population. the scabies that is untreated or non-adequately treated has a long course followed by complications. in hospital in tuzla in a period 1995-1997 we have done retrospective study which included 64 infants with scabies followed with complications. skin changes have appeared approximately 2-6 months ... | 1999 | 10758763 |
| pediatric scabies. | scabies is an intensely pruritic dermatosis that is caused by a mite, sarcoptes scabiei var hominis. scabies is highly contagious and may have the pathognomonic sign of burrows in addition to erythematous papules. these lesions are often excoriated. in addition to classic scabies, special forms with distinctive clinical features exist. a variety of topical medications are available to treat the infestation. | 2003 | 12661745 |
| generation and characterization of cdna clones from sarcoptes scabiei var. hominis for an expressed sequence tag library: identification of homologues of house dust mite allergens. | molecular studies on scabies, a disease of considerable human and veterinary significance, have been limited because of the difficulty of obtaining the causative organism sarcoptes scabiei, the "itch mite." we have used skin from the bedding of crusted scabies patients as a source of mites for the construction of libraries of cdnas from s. scabiei var. hominis in the bacteriophage lambda vector lambdazap express. sequences of 145 clones established that the libraries predominantly contain sequen ... | 2003 | 12556150 |
| identification of a homologue of a house dust mite allergen in a cdna library from sarcoptes scabiei var hominis and evaluation of its vaccine potential in a rabbit/s. scabiei var. canis model. | sarcoptes scabiei ("itch mite") causes scabies, a disease of considerable human and veterinary significance. little work has been done at the molecular level because of the difficulty of obtaining mites. we have used mites in skin from the bedding of crusted scabies patients for the construction of a library of 10(5) cdnas from s. scabiei var. hominis cloned in the vector pgex4t-2. we describe the isolation by immunoscreening of 2 clones, one of which (ssagl) is homologous to and cross-reactive ... | 2003 | 12556149 |
| [francesco redi and the birth of experimental parasitology]. | francesco redi (1626-1697) born in arezzo (tuscany, italy), an encyclopedic mind simultaneously naturalist, physician and poet is the founder of scientific and experimental parasitology by his works published in 1668 and 1684. in the first he showed the impossibility of spontaneous generation of insects (flies) and in the second are described over hundred species of parasites (helminths, mites, insects) from vertebrates and invertebrates with excellent illustrations. he has also recommended vari ... | 1997 | 11625103 |
| sarcoptes scabiei infestation among children in a displacement camp in sierra leone. | the prevalence of scabies was investigated among a study population of 125 children between the ages of 1-15 y. confirmation of scabies was done by clinical examination of each child and by the identification of the mite by microscopically examining the scrapings from the scabies-like lesions. the prevalence was age dependent, with children under five years accounting for 77%, peaking to 86% among the 5 to 9-y-olds, and steadily declining with an increase in age. lesions were found on almost all ... | 2001 | 11429717 |
| studies in vitro on the relative efficacy of current acaricides for sarcoptes scabiei var. hominis. | resistance of sarcoptes scabiei to various topical therapies has been described, but clinical assessment of treatment failure is problematic and in-vitro assays are generally not available. we describe a simple in-vitro analysis used to evaluate the relative efficacy of a range of topical, oral, and herbal treatments available in australia for the treatment of scabies. s. scabiei var. hominis mites were collected from skin scrapings obtained from 7 crusted scabies patients over a period of 2 yea ... | 2000 | 10748911 |
| scabies: revisit in a depressed economy. | scabies is a highly contagious disease of the skin caused by an ectoparasite arthropod called sarcoptes scabiei var hominis. it has a world-wide distribution and affects all ages with no specific gender predisposition. scabies is of public health interest because certain environment factors such as overcrowding, poor hygiene, delayed treatment of primary cases and lack of public enlightenment are conducive to its spread. however, prompt and adequate therapy is rewarding and prevents spread. | 1998 | 9631110 |
| the behaviour of sarcoptes scabiei var. hominis in human skin: an ultrastructural study. | the biology of sarcoptes scabiei var. hominis is poorly understood because of the lack of an in vivo or in vitro propagation system. to obtain more information on the mite behaviour in its natural habitat we conducted an ultrastructural study of burrows in a number of patients with common scabies. scanning electron microscopy furnished attractive images of the tunnel, parasite body and eggs architecture and demonstrated the presence of holes in the tunnel roof probably representing aeration stru ... | 1997 | 9066149 |
| 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 |
| infestation with sarcoptes scabiei var. hominis. | | 1947 | 20255748 |
| [life cycle of scabies mite (sarcoptes scabiei var. hominis) studied by scanning electron microscopy (author's transl)]. | the life history of the sarcoptes scabiei var. hominis has been studied with a scanning electron microscope on crusts of a patient with hyperkeratotic (norwegian) scabies, eggs, embedded in an amorphous material, are laid in tiers on the parakeratotic floor of the burrow. once larval maturation has been completed, eggs are cut out from inside and the larvae leave the shells which remain attached to the neighbouring corneocytes. the moults are easily recognized and give us a view on the hidden fa ... | 1981 | 6789755 |
| [scanning electron microscopic observations of sarcoptes scabiei var hominis]. | | 1984 | 6439917 |
| scanning electron microscopy of the scabies burrow and its contents, with special reference to the sarcoptes scabiei egg. | an entire burrow of a female sarcoptes scabiei (var. hominis) mite was examined by scanning electron microscopy during serial transverse sectioning. the elevated roof and the wall were composed of compacted corneocytes. the floor had a smooth surface except at the anterior end. here it was made up of nucleated stratum granulosum cells, etched in appearance, presumably having been chewed by the mite. the female mite, the larvae, scybala, and eggs were also examined. the ultrastructure of the eggs ... | 1983 | 6417198 |
| diagnosis of infestation with sarcoptes scabiei var. hominis. | | 1946 | 20982714 |
| scanning electron microscopic observation of sarcoptes scabiei var. hominis. | scanning electron microscopy of sarcoptes scabiei var. hominis was carried out on a single mite. the ultrastructural morphology of sarcoptes is illustrated. | 1985 | 4056164 |
| behaviour of sarcoptes scabiei in its burrow in hyperkeratotic scabies. a scanning electron microscopic study. | the behaviour of sarcoptes scabiei var. hominis has been studied in the skin of 2 patients with hyperkeratotic scabies. after examination under the scanning electron microscope, the skin specimens can be reprocessed for light microscopic examination. original aspects and the dynamics of the burrowing parasite are presented, namely its penetration into the epidermis, the elimination of digestive residues and the maturation of the parasite's eggs. | 1985 | 3935495 |
| [biological behavior of sarcoptes scabiei var. suis in swine epidermis. a scanning electron microscopy study in hyperkeratotic (or norwegian) scabies of swine]. | the behaviour of sarcoptes scabiei var. suis has been studied in hyperkeratotic scabies of pigs (fig. 1). the scanning electron microscope enabled us to observe the outer surface of the eggs in the burrow and even within the cut body of the fertilized female mite (fig. 2). early events during hatching of the eggs and the first steps of the newborn larva (fig. 3) are shown. the presence of crystals containing calcium and phosphate is shown to occur in places where huge amounts of faecal material ... | 1986 | 3107455 |
| [statistical studies on scabies at division of dermatology, urakawa red cross hospital]. | scabies is a relatively common skin disease caused by the itch mite sarcoptes scabiei var. hominis. because of its strong contagious capacity, social problems especially as sexual transmission or massive infection in school children arise quite frequently. since we have experienced many scabies patients in our outpatient clinic of urakawa red cross hospital, statistical analysis was attempted on patients from april 1976 to march 1987, in order to contribute to prevention and control of the disea ... | 1989 | 2471682 |
| scabies in the extended care facility. revisited. | infestations with sarcoptes scabiei var hominis remain a problem in nursing home patients. while the traditional signs of scabies include burrows and red papules found on the fingerwebs, chest, waist, or genitalia, the elderly or infirm patient may have only a nonspecific pruritic eruption. epidemics in skilled care facilities may be controlled and the scabies mite even eradicated from the institutions with appropriate diagnosis and adequate treatment of both patients and personnel and their con ... | 1991 | 1955223 |
| [norwegian scabies: etiological grounds (author's transl)]. | norwegian scabies is a rare clinical variant of human infestation with sarcoptes scabiei var. hominis. it is characterized by hyperkeratotic lesions of the palmar and plantar surfaces, scalp and ears which contain myriad mites. the authors have observed three cases: the first occurred in a old delibited woman with a recklinghausen's disease, the second in a boy with down's syndrome, the last in a child treated with immunosuppressors. review of the literature and study of etiological grounds. the ... | 1979 | 159655 |
| scanning electron microscopy of acarus scabiei. | details in the anatomy of sarcoptes scabiei var. hominis are described. scanning electron microscopy is of help in illustrating this parasite which is commonly seen in clinical practice. the technique also provides the possibility to differentiate between various types of mite. | 1975 | 46671 |
| 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 |
| arthropod-borne diseases in homeless. | homeless people are particularly exposed to ectoparasite. the living conditions and the crowded shelters provide ideal conditions for the spread of lice, fleas, ticks, and mites. body lice have long been recognized as human parasites and although typically prevalent in rural communities in upland areas of countries close to the equator, it is now increasingly encountered in developed countries especially in homeless people or inner city economically deprived population. fleas are widespread but ... | 2006 | 17114713 |
| simple method of detecting sarcoptes scabiei var hominis mites among bedridden elderly patients suffering from severe scabies infestation using an adhesive-tape. | scabies infestation is very common among bedridden elderly patients. the standard method of diagnosis for scabies by scraping the skin requires some skill. therefore, dermatologists employ this method. however, dermatologists are usually not present in most long-term nursing units. thus, we tried to catch mites using a strong transparent adhesive tape commercially available for packing use as an alternative method for the diagnosis of severe scabies infestation. | 2006 | 16908942 |
| pcr-based assay to survey for knockdown resistance to pyrethroid acaricides in human scabies mites (sarcoptes scabiei var hominis). | permethrin, in the form of a topical cream, is being increasingly used for community-based programs to control endemic scabies. the development of resistance has reduced the use of pyrethroids for the control of many arthropods of economic and health importance. the best recognized form of pyrethroid resistance, known as knockdown resistance or kdr, has been linked to specific mutations in the target of these agents, the para-homologous voltage-sensitive sodium channel gene (vssc). to develop to ... | 2006 | 16607000 |
| identification of abc transporters in sarcoptes scabiei. | we have identified and partially sequenced 8 abc transporters from an est dataset of sarcoptes scabiei var. hominis, the causative agent of scabies. analysis confirmed that most of the known abc subfamilies are represented in the est dataset including several members of the multidrug resistance protein subfamily (abc-c). although p-glycoprotein (abc-b) sequences were not found in the est dataset, a partial p-glycoprotein sequence was subsequently obtained using a degenerate pcr strategy and libr ... | 2006 | 16454864 |
| norwegian scabies in the immunocompromised patient. | norwegian, or crusted, scabies can be defined as a generalized severe scabies (sarcoptes scabiei var. hominis) infestation usually affecting the immunocompromised patient that is most commonly seen with the leukemia-lymphoma group of neoplasms. the diagnosis is commonly missed, which can lead to mismanagement. we describe a patient with norwegian scabies involving the lower extremities. the patient circumstances and treatment, as well as a review of the literature, are presented. the diagnosis o ... | 2004 | 15547127 |
| genetic epidemiology of sarcoptes scabiei (acari: sarcoptidae) in northern australia. | utilising three hypervariable microsatellite markers we have previously shown that scabies mites on people are genetically distinct from those on dogs in sympatric populations in northern australia. this had important ramifications on the formulation of public health control policies. in contrast phylogenetic analyses using mitochondrial markers on scabies mites infecting multiple animal hosts elsewhere in the world could not differentiate any genetic variation between mite haplotype and host sp ... | 2004 | 15157767 |
| acaricidal activity of melaleuca alternifolia (tea tree) oil: in vitro sensitivity of sarcoptes scabiei var hominis to terpinen-4-ol. | to compare the acaricidal activity of melaleuca alternifolia (tea tree) oil (tto) and some of its individual active components on the itch mite sarcoptes scabiei var hominis. | 2004 | 15148100 |
| [report on erythroderma and scabies infection in connection with two cases of scabies norvegica]. | erythroderma is an inflammation of almost the whole surface of the skin, characterized by erythema, skin infiltration and desquamation. despite the etiological factors, the generalized inflammation of a large body surface can lead to a life-threatening condition in itself. parasite infection lies rarely in the background of erythroderma. the sarcoptes scabiei var. hominis belonging to the mite family is the cause of scabies disease. while the prevalence of "classic" scabies is high world-wide, t ... | 2008 | 19004745 |
| 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 |
| 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 |
| 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 |
| 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 |
| increased transcription of glutathione s-transferases in acaricide exposed scabies mites. | abstract: | 2010 | 20482766 |
| 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 |
| 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 |
| Clinical, dermatoscopic, and microscopic findings of infestation with Sarcoptes scabiei var hominis. | | 2011 | 21878592 |