| [trematode infections in the small intestine of egretta alba modesta in kangwon-do]. | we surveyed 12 migrating large egrets, egretta alba modesta, for their infection status with intestinal trematodes, from june to september, 1990. all of them were infected with one or more flukes. total 5 species were identified. their infection rates and total numbers of worms were metagonimus sp. 67% and 1,412, centrocestus armatus 67% and 2,306, echinochasmus japonicus 50% and 99, strigea falconis 83% and 635, and a diplostomid fluke 33% and 36. the number of worms in a bird was in the range ... | 1991 | 1786249 |
| intestinal trematodes infecting humans in korea. | sixteen species of intestinal trematodes have been recovered from humans in korea. they include 10 species of the family heterophyidae (metagonimus yokogawai, m. takahashii, heterophyes nocens, h. heterophyes, h. dispar, heterophyopsis continua, pygidiopsis summa, stellantchasmus falcatus, centrocestus armatus, and stictodora fuscatum); one species of diplostomidae (fibricola seoulensis); three species of echinostomatidae (echinostoma hortense, e. cinetorchis, and echinochasmus japonicus); one s ... | 1991 | 1822879 |
| intestinal trematodes of humans in korea: metagonimus, heterophyids and echinostomes. | ten species of the trematode family heterophyidae (metagonimus yokogawai, m. takahashii, heterophyes nocens, h. heterophyes, h. dispar, heterophyopsis continua, pygidiopsis summa, stellantchasmus falcatus, centrocestus armatus and stictodora fuscatum), and 3 species of the family echinostomatidae (echinostoma hortense, e. cinetorchis and echinochasmus japonicus) have been found to infect humans in korea. biological and epidemiological studies on the above species have shown that metagonimus, het ... | 1990 | 2133416 |
| [ecological studies on the cercariae of echinochasmus japonicus]. | results of ecological observation on the cercariae of echinochasmus japonicus showed that their development in and emergence from parafossarulus striatulus as well as their activity in infecting the fish host in water were closely related to temperature and light. the number of cercariae emerged varied with the temperature of water. when the infected snails were reared at water temperature of 27-32 degrees c, the germinal cells and germ balls in the daughter radiae multiplied continually into ce ... | 1990 | 2364501 |
| [the discovery of melanoides tuberculata as the first intermediate host of echinochasmus japonicus]. | this paper reports on the discovery of cercariae which are similar to those of echinotomatidae in melanoides tuberculata in yunxiao and zhaoan counties of fujian. encysted metacercariae were found in the gills of fresh-water fish after experimental infection with the cercariae for 3 to 4 hours. adult worms identified as echinochasmus japonicus were obtained from mesocricetus auratus and dove after infection with the metacercariae. melanoides tuberculata was recorded for the first time as the fir ... | 1989 | 2766498 |
| [pyquiton treatment of echinochasmus japonicus infection]. | | 1986 | 3802430 |
| [epidemiological investigation and experimental infection with echinochasmus japonicus]. | | 1985 | 4053324 |
| the infestation states and changing patterns of human infecting metacercariae in freshwater fish in kyongsang-do and kyonggi-do, korea. | the infestation rates and abundances of human infecting metacercariae (clonorchis sinensis, metagonismus spp., centrocestus armatus, echinostoma hortense, echinochasmus japonicus, clinostomum complanatum) in freshwater fish were investigated at the three river areas-taewhagang (river), hyongsangang (river), nakdonggang (river) -in kyongsang-do and at four streams-yonpungchon, munsanchon, kyonganchon, and konjiamchon-in kyonggi-do, korea in 1994-1995. the fish caught at taewhagang were heavily in ... | 1996 | 8925250 |
| [infection status with trematode metacercariae in the fresh-water fish from chunamchosuchi (pond), uichang-gun, kyongsangnam-do, korea]. | the present study was performed to analyze the infection status of trematode metacercariae in fishes caught from chunamchosuchi (pond) located in uichang-gun, kyongsangnam-do. a total of 130 freshwater fish of 5 species was collected by a fish net and fish traps from november, 1995 to may, 1996. they were examined under a stereomicroscope after artificial digestion with pepsin-hcl solution. a total of 8 species of metacercaria, i.e. clonorchis sinensis, echinochasmus japonicus, cyathocotyle orie ... | 1997 | 9335181 |
| food-borne intestinal trematode infections in the republic of korea. | a total of 19 species of food-borne intestinal trematodes have been reported in humans in the republic of korea. they include 12 species of the heterophyidae, metagonimus yokogawai, m. takahashii, m. miyatai, heterophyes nocens, h. heterophyes (imported), h. dispar (imported), heterophyopsis continua, pygidiopsis summa, stellantchasmus falcatus, centrocestus armatus, stictodora fuscata, and s. lari; four species of the echinostomatidae, echinostoma hortense, e. cinetorchis, echinochasmus japonic ... | 2002 | 12113752 |
| [taxonomic studies on echinochasmus fujienensis and its related species by random amplified polymorphic dna analysis and experimental infection]. | to explore the identification and differentiation of echinochasmus fujianensis, echinochasmus japonicus(jiangxi strain and fujian strain), echinochasmus liliputanus anhui and echinochasmus per foliatus hubei. | 1999 | 12563828 |
| scanning electron microscopical findings of echinochasmus japonicus tegument. | tegumental ultrastructures of echinochasmus japonicus were observed by scanning electron microscopy. the worms were recovered from albino rats which were experimentally infected with the metacercariae obtained from pseudorasbora parva. followings are summarized findings. the worms were minute and plumpy gourd-shaped with attenuated anterior and round posterior end. the tegument of whole body was wrinkled transversely and covered with cobblestone-like cytoplasmic processes. head crown was armed w ... | 1987 | 12886082 |
| studies on intestinal trematodes in korea xx. four cases of natural human infection by echinochasmus japonicus. | four cases of human infection by echinochasmus japonicus (trematoda; echinostomatidae) were proven by the recovery of adult worms after a treatment with praziquantel (10 mg/kg in single dose) and purgation in february 1984 in korea. the patients were 3 middle-aged men and 1 elderly woman residing in a riverside village of kangjin-gun ( tamjin river), jeonranam-do, an ever-known endemic area of metagonimiasis. the treatment revealed numerous m. yokogawai worms together with 1-43 (total 54 ) speci ... | 1985 | 12888663 |
| [metacercariae of echinochasmus japonicus encysted in a fresh water fish, pseudorasbora parva, and their development in experimental mice] | the echinostomatid metacercariae encysted in the gill of the fresh water fish, pseudorasbora parva were identified through obtaining adult worms after experimental infection to mice. in addition, a brief course of worm development and maturation was observed in this experimental host. the results were as follows: the echinostomatid metacercariae were elliptical, golden yellow, 0.073~0.078 mm long and 0.054-0.065 mm wide. their head portions were characterized by the presence of a head crown arme ... | 1985 | 12888664 |
| [survey on encysted cercaria of trematodes from fresh-water fishes in tongjin riverside areas in korea] | in an attempt to clarify the epidemiological feature of distomiasis in tongjin riverside area, the prevalence of distomiasis in the residents and infection rates of the metacercariae in fresh-water fishes were investigated at the upper, middle and lower reaches of the river from january to april 1984. the results obtained were summarized as follows: out of a total of 931 fresh-water fishes which composed of 33 different species, 611 fishes (65.6 %) of 31 species were found positive with digeneti ... | 1984 | 12891012 |
| a study on the parasitic helminths of domestic duck(anas platyrhynchos var. domestica linnaeus) in korea. | during february 1982 to septemner 1983, a total of 105 domestic ducks (anas platyrhynchos var. domestica linnaeus) were collected from ichon gun, puasn city, chunchon city, yanggu gun, taejeon city and unknown areas in korea. in the results, six trematode and one nematode species of helminth parasites were obtained and described as follows: amphimerus anatis yamaguti, 1933, echinostoma miyagawai ishii, 1932, echinochasmus japonicus tanabe, 1926, cryptocotyle sp., notocotylus attenuatus (rudolphi ... | 1984 | 12891015 |
| [epidemiological studies of clonorchis sinensis in mangyeong riverside areas in korea] | in an attempt to clarify the epidemiological feature of c. sinensis in mangyeong riverside area, the prevalence of clonorchiasis, infestation rate of the cercariae in parafossarulus manchouricus, and detection rate of the metacercariae in fresh-water fishes were investigated from march 1 to september 30, 1983 at the upper, middle and lower reaches of the river. the results obtained were summarized as follows:detection rate of c. sinensis egg among inhabitants was 8.2 % out of a total of 1,266 pe ... | 1983 | 12902646 |
| [survey on encysted cercariae of trematodes from fresh-water fishes in mangyeong riverside area] | in order to clarify infestation pattern for the encysted larvae of digenetic trematodes from fresh-water fishes, this survey was carried out from march to september, 1983. a total of 380 fishes of 32 species were collected with netting at the three reaches, upper, middle and lower in mangyeong riverside area. after the fishes were dissected into small scraps, they were pressed under cover glass and examined for the presence of those of digenetic trematodes with a microscope. the results obtained ... | 1983 | 12902648 |
| infection status with helminthes in feral cats purchased from a market in busan, republic of korea. | the present study was performed to investigate the infection status with helminth in a group of feral cats in korea. more than 29 helminth species including adults or eggs were detected in visceral and fecal samples of the examined cats. among these were a host of nematodes, including toxocarids, ancylostoma sp. and the larva of anisakis simplex; trematodes, including clonorchis sinensis, paragonimus westermani, eurytrema pancreaticum, pharyngostomum cordatum, metagonimus spp., heterophyes nocen ... | 2005 | 16192750 |
| morphological observations of echinochasmus japonicus cercariae and the in vitro maintenance of its life cycle from cercariae to adults. | the cercaria morphology of echinochasmus japonicus was investigated using light and scanning electron microscopy. cercariae, liberated from naturally infected snails (parafossarulus manchouricus), had ovoid bodies and diminutive tails. the cercaria tegument was covered with minute spines. four type ii sensory papillae were observed on the dorsal side of the oral sucker, and type i papillae were distributed on the dorsal tegument surfaces. when cercariae were kept in the same bath as the freshwat ... | 2006 | 16729678 |
| prevalence of zoonotic trematodes in fish from a vietnamese fish-farming community. | the prevalence of fish-borne zoonotic trematode (fzt) metacercariae was investigated in fish farmed by rural households in nghe an province, located in northern vietnam. in total, 716 fish, including tilapia (oreochromis niloticus) and 6 carp species, i.e., grass carp (ctenopharyngodon idellus), bighead carp (aristichthys nobilis), mrigal (cirrhinus mrigala), common carp (cyprinus carpio), silver carp (hypophthalmychthys molitrix), and roha (labeo rohita), collected from 53 fish farms were exami ... | 2008 | 18564743 |
| diversity of human intestinal helminthiasis in lao pdr. | food-borne trematodiasis is an emerging public health problem, including in lao pdr. we investigated the diversity of intestinal helminthes and polyparasitism in patients with hepatobiliary or intestinal symptoms in hospital and community-based surveys. stool samples from 232 individuals aged >or=15 years were examined by the kato-katz method (three samples) and a formalin ethyl-acetate concentration technique (one sample). opisthorchis viverrini and minute intestinal flukes (mif) were common, w ... | 2009 | 19038411 |
| rare human infection with the trematode echinochasmus japonicus in lao pdr. | food-borne trematodiases are often neglected although millions of people are affected and these zoonotic diseases are emerging in some parts of the world. humans acquire an infection through consumption of the second intermediate hosts (e.g. freshwater fish) that harbour the metacercariae of the parasite. here, we report the first three cases of echinochasmus japonicus infection in lao pdr. adult e. japonicus flukes were recovered from a woman (age: 37 years) and two men (age: 42 and 75 years) f ... | 2009 | 19059359 |
| [life cycles of trematodes echinochasmus japonicus tanabe, 1926 and e. beleocephalus (linstow, 1873) (echinostomatidae) in prymorye region]. | life cycles of two species of echinostomes echinochasmus japonicus tanabe, 1926 and e. beleocephalus (linstow, 1873) have been studied. in primorye region the first intermediate hosts e. japonicus are snails of genus boreoelona, e. beleocephalus develops in parafossarulus. second intermediate hosts are freshwater fish and tadpole of frog rana dubowskii. encysted cercariae of e. beleocephalus also were found in tissue of first intermediate hosts. experimental definitive host for both species were ... | 2009 | 19637774 |
| echinostome infections in the striped-field mouse, apodemus agrarius, and the ussuri white-toothed shrew, crocidura lasiura, caught near the demilitarized zone, gyeonggi-do (province), republic of korea. | a total of 1,498 small mammals (rodents and insectivores), including apodemus agrarius (n = 1,366), crocidura lasiura (54), mus musculus (32), micronytus fortis (28), eothenomys regulus (9), micronys minutes (6), and cricetulus triton (3), were live-trapped in gyeonggi-do (province) (paju-si, pocheon-gun, and yeoncheon-gun) near the demilitarized zone (dmz) from december 2004 to september 2005. a. agrarius was found to be infected with 3 species of echinostomes (echinostoma hortense, echinostoma ... | 2009 | 19724709 |
| fish-borne zoonotic trematode metacercariae in the republic of korea. | the prevalence of fish-borne trematodes (fbt), including clonorchis sinensis, is still high in riverside areas of the republic of korea. the author reviewed the detection and identification methods, differential keys, fish intermediate hosts, and morphological characteristics of fbt metacercariae. fbt metacercariae found in freshwater fish are classified mainly into 4 families, i.e., opisthorchiidae, heterophyidae, echinostomatidae, and clinostomidae. the metacercariae of c. sinensis, found in 4 ... | 2009 | 19885326 |
| zoonotic intestinal trematodes in stray cats (felis catus) from riverside areas of the republic of korea. | the present study was performed to survey the infection status of zoonotic intestinal trematode (zit) in stray cats from 5 major riverside areas in the republic of korea. total 400 stray cats were captured with live-traps in riverside areas of seomjingang ('gang' means river) (203 cats) from june to october 2010, and of yeongsangang (41), nakdonggang (57), geumgang (38), and hangang (61 cats) from june to october 2011, respectively. small intestines resected from cats were opened with a pair of ... | 2015 | 25925180 |
| trematodes recovered in the small intestine of stray cats in the republic of korea. | in 2005, we reported the infection status of 438 stray cats with various species of intestinal helminths, including nematodes (4 species), trematodes (23 species), and cestodes (5 species) in the republic of korea. however, morphologic details of each helminth species have not been provided. in the present study, we intended to describe morphologic details of 13 trematode species which were either new fauna of cats (10 species) or new fauna of not only cats but also all animal hosts (3 species). ... | 2013 | 23467726 |
| hyperendemicity of haplorchis taichui infection among riparian people in saravane and champasak province, lao pdr. | in this study, we found that haplorchis taichui, a heterophyid intestinal fluke, is highly prevalent, with heavy worm loads, among riparian people in saravane and champasak province, lao pdr. fecal specimens were collected from 1,460 people (717 men and 743 women) in 12 riparian (mekong river) districts and were examined by the kato-katz fecal smear technique. the overall helminth egg positive rate was 78.8% and 66.4% in saravane and champasak province, respectively. the positive rate for small ... | 2013 | 23864741 |
| molecular characterization of the unique mesostephanus appendiculatus (trematoda: cyathocotylidae) by small ribosomal rna from egypt. | m esostephanus appendiculatus (family: cyathocotylidae) is one of the unique trematodes that complete their cycles in human and animal intestines in many countries of the world. the main source of its transmission is eating raw or undercooked infected fish muscle. earliest analyses of genes to different parasites supported the analysis of helminthes either biological or morphological. this paper detected m. appendiculatus sequence with genbank accession number gb (ky026782). comparison of m. app ... | 2017 | 28213655 |
| a complete mitochondrial genome from echinochasmus japonicus supports the elevation of echinochasminae odhner, 1910 to family rank (trematoda: platyhelminthes). | the complete mitochondrial (mt) genome of the trematode echinochasmus japonicus tanabe, 1926 was fully determined and annotated. the circular mt molecule of this species is 15,865bp in length, containing 12 protein-coding genes (arranged in the following order: cox3-cob-nad4l-nad4-atp6-nad2-nad1-nad3-cox1-cox2-nad6-nad5), two ribosomal rna genes (rrnl and rrns) and 22 transfer rna genes (trnh; trnq; trnf; trnm; trnv; trna; trnd; trnn; trnp; trni; trnk; trns1(agn); trnw; trnt; trnc; trnl1(cun); t ... | 2016 | 27702649 |
| potential zoonotic trematodes recovered in stray cats from kuwait municipality, kuwait. | stray cats are a common feature roaming the streets and alleys of kuwait; they could be a source of parasites, including trematodes, that affect humans. a survey was conducted to identify feline trematodes and throw the light on their public health significance in kuwait. out of 240 stray cats trapped from different localities of kuwait from june 2011 to may 2012, 59 (24.6%) were found to be infected with 14 species of trematodes. the most common were trematodes of the genus heterophyes, particu ... | 2015 | 26174821 |
| echinostome flukes receovered from humans in khammouane province, lao pdr. | echinostome eggs were detected in 22 (1.1%) of 2,074 people residing in riparian villages along the mekong river in khammouane province, lao pdr. in order to recover the adult flukes, 9 persons were treated with praziquantel and purged with magnesium salts. a total of 55 echinostome specimens (4 species) were recovered from the 9 persons. echinostoma revolutum (8 specimens) was recovered from 3 persons, artyfechinostomum malayanum (8 specimens) was from 2 persons, echinochasmus japonicus (33 spe ... | 2012 | 22949759 |