Parasites, Hosts and Diseases

"crab"

Original Articles

Hypolobocera guayaquilensis (Decapoda: Pseudothelphusidae): A New Crab Intermediate Host of Paragonimus mexicanus in Manab? Province, Ecuador: Manuel Calvopina, Daniel Romero-Alvarez, Melina Rendon, Hidekazu Takagi, Hiromu Sugiyama; Korean J Parasitol 2018;56(2):189-194.
Published online April 30, 2018; DOI: https://doi.org/10.3347/kjp.2018.56.2.189

Abstract
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To determine that Paragonimus sp. is actively transmitted in a tropical area of the Pacific region of Ecuador where human cases of pulmonary paragonimiasis have recently been documented, a total of 75 freshwater crabs were collected from 2 different streams in the Pedernales area of Manab? Province, Ecuador. All collected crabs were identified as Hypolobocera guayaquilensis based on morphological characteristics of the male gonopods. The hepatopancreas of each crab was examined by compressing it between 2 glass plates followed by observation under a stereomicroscope. Excysted Paragonimus metacercariae were detected in 39 (52.0%) crabs and their densities varied from 1 to 32 per infected crab. There was a positive relationship between crab size and metacercarial density. Sequences of the second internal transcribed spacer region of the ribosomal RNA gene of the Paragonimus metacercariae obtained in this study were identical to those of Paragonimus mexicanus deposited in the DDBJ/EMBL/GenBank database. Thus, the present study is the first to confirm that the crab species H. guayaquilensis is the second intermediate host of P. mexicanus in Manab? Province, Ecuador. Because this crab might be the possible source of human infections in this area, residents should pay attention to improper crab-eating habits related with a neglected parasitic disease, i.e., paragonimiasis.

Citations

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Answer to April 2024 Photo Quiz
Alfredo Maldonado-Barrueco, Sol María San José-Villar, Julio García-Rodríguez, Marina Alguacil-Guillén, Álvaro López-Janeiro, Elena Trigo-Esteban, Marta Díaz-Menéndez, Guillermo Ruiz-Carrascoso, Bobbi S. Pritt
Journal of Clinical Microbiology.2024;[Epub] CrossRef
The effect of landscape and human settlement on the genetic differentiation and presence of Paragonimus species in Mesoamerica
Patricia Landaverde-González, Julie Osgood, Carlos A. Montenegro Quiñonez, Vivian Monzón, Antonieta Rodas, Carlota Monroy
International Journal for Parasitology.2022; 52(1): 13. CrossRef
General overview of the current status of human foodborne trematodiasis
Jong-Yil Chai, Bong-Kwang Jung
Parasitology.2022; 149(10): 1262. CrossRef
Liver fluke infections by Amphimerus sp. (Digenea: Opisthorchiidae) in definitive and fish intermediate hosts in Manabí province, Ecuador
Daniel Romero-Alvarez, Gabriela Valverde-Muñoz, Manuel Calvopina, Maira Rojas, William Cevallos, Hideo Kumazawa, Hidekazu Takagi, Hiromu Sugiyama, jong-Yil Chai
PLOS Neglected Tropical Diseases.2020; 14(6): e0008286. CrossRef

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Paragonimus paishuihoensis Metacercariae in Freshwater Crabs, Potamon lipkei, in Vientiane Province, Lao PDR: Shigehisa Habe, Pham Ngoc Doanh, Shinichiro Yahiro, Nanthasane Vannavong, Hubert Barennes, Peter Odermatt, Gilles Dreyfuss, Yoichiro Horii, Yukifumi Nawa; Korean J Parasitol 2013;51(6):683-687.
Published online December 31, 2013; DOI: https://doi.org/10.3347/kjp.2013.51.6.683

Abstract
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Among Paragonimus species, P. paishuihoensis is one of the most mysterious and poorly understood species. Metacercariae are characterized by having a unique dendritically branched excretory bladder. However, the morphology of the adult worm remains unknown. To date, metacercariae of this species have been reported only in China and Thailand. In this study, we first found P. paishuihoensis metacercariae in freshwater crabs, Potamon lipkei, in Hinheub District, Vientiane, Lao PDR, with a prevalence of 77.7% and the average intensity of 10.3 (range 1-28) metacercariae per crab. The molecular data based on ITS2 and CO1 markers indicated that P. paishuihoensis from Laos and Thailand were almost completely identical and were close to members of the Paragonimus bangkokensis/Paragonimus harinasutai complex. Attempts to infect experimental animals (cats, dogs, and rats) with P. paishuihoensis were unsuccessful, suggesting that these animals might be unsuitable definitive hosts for the species. Further studies are necessary to elucidate the taxonomic status and life cycle of P. paishuihoensis.

Citations

Citations to this article as recorded by

Lung flukes of the genusParagonimus: ancient and re-emerging pathogens
David Blair
Parasitology.2022; 149(10): 1286. CrossRef
Paragonimus and paragonimiasis in Asia: An update
Ayako Yoshida, Pham Ngoc Doanh, Haruhiko Maruyama
Acta Tropica.2019; 199: 105074. CrossRef
Morphological and molecular identification of a lung fluke, Paragonimus macrorchis (Trematoda, Paragonimidae), found in central Lao PDR and its molecular phylogenetic status in the genus Paragonimus
Oranuch Sanpool, Pewpan Maleewong Intapan, Tongjit Thanchomnang, Penchom Janwan, Sakhone Laymanivong, Hiromu Sugiyama, Wanchai Maleewong
Parasitology International.2015; 64(6): 513. CrossRef

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Case Report

A Case of Pulmonary Paragonimiasis with Involvement of the Abdominal Muscle in a 9-Year-Old Girl: Ah-Rum Cho, Hae-Ran Lee, Kwan-Sub Lee, Sang-Eun Lee, So-Yeon Lee; Korean J Parasitol 2011;49(4):409-412.
Published online December 16, 2011; DOI: https://doi.org/10.3347/kjp.2011.49.4.409

Abstract
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In Korea, many people enjoy eating raw or underkooked freshwater crayfish and crabs which unfortunately may cause paragonimiasis. Here, we describe a case of pulmonary and abdominal paragonimiasis in a 9-year-old girl, who presented with a 1-month history of abdominal pain, especially in the right flank and the right inguinal area, with anorexia. A chest radiograph revealed pleural effusion in both lungs, and her abdominal sonography indicated an inflammatory lesion in the right psoas muscle. Peripheral blood analysis of the patient showed hypereosinophilia (66.0%) and an elevated total serum IgE level (>2,500 IU/ml). The pleural effusion tested by ELISA were also positive for antibodies against paragonimiasis. Her dietary history stated that she had ingested raw freshwater crab, 4 months previously. The diagnosis was pulmonary paragonimiasis accompanied by abdominal muscle involvement. She was improved after 5 cycles of praziquantel treatment and 2 times of pleural effusion drainage. In conclusion, herein, we report a case of pulmonary and abdominal paragonimiasis in a girl who presented with abdominal pain and tenderness in the inguinal area.

Citations

Citations to this article as recorded by

Pulmonary, liver and cerebral paragonimiasis: An unusual clinical case in Colombia
Angel O. Donato-R., Jhon C. Donato-R.
Travel Medicine and Infectious Disease.2022; 46: 102253. CrossRef
A retrospective clinical analysis of pediatric paragonimiasis in a Chinese children’s hospital from 2011 to 2019
Manning Qian, Fei Li, Yuhan Zhang, Zhongwei Qiao, Yingyan Shi, Jun Shen
Scientific Reports.2021;[Epub] CrossRef
Inactivation of Paragonimus westermani metacercariae in soy sauce-marinated and frozen freshwater crabs
Tae Im Kim, Se-Ra Oh, Fuhong Dai, Hyun-Jong Yang, Sang-Do Ha, Sung-Jong Hong
Parasitology Research.2017; 116(3): 1003. CrossRef
Recent Incidence of Paragonimus westermani Metacercariae in Freshwater Crayfish, Cambaroides similis, from Two Enzootic Sites in Jeollanam-do, Korea
Jin-Ho Song, Fuhong Dai, Xuelian Bai, Tae-Im Kim, Hyun-Jong Yang, Tong-Soo Kim, Shin-Hyung Cho, Sung-Jong Hong
The Korean Journal of Parasitology.2017; 55(3): 347. CrossRef
Rare case of paragonimiasis with involvement of the parotid gland alone in a 5-year-old boy
Yiping Pu, Chuangqi Yu, Chi Yang
British Journal of Oral and Maxillofacial Surgery.2013; 51(8): e299. CrossRef
Clinical Update on Parasitic Diseases
Min Seo
Korean Journal of Medicine.2013; 85(5): 469. CrossRef
Paragonimiasis in the Abdominal Cavity and Subcutaneous Tissue: Report of 3 Cases
Chang Ho Lee, Jong Hun Kim, Woo Sung Moon, Min Ro Lee
The Korean Journal of Parasitology.2012; 50(4): 345. CrossRef

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Brief Communications

Discovery of Maritrema jebuensis n. sp. (Digenea: Microphallidae) from the Asian Shore Crab, Hemigrapsus sanguineus, in Korea: Ok-Sik Chung, Hye-Jung Lee, Woon-Mok Sohn, Seung-Ha Lee, Il-Yong Park, Sang-Ah Oh, Jong-Yil Chai, Min Seo; Korean J Parasitol 2010;48(4):335-338.
Published online December 16, 2010; DOI: https://doi.org/10.3347/kjp.2010.48.4.335

Abstract
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Maritrema spp. (Digenea: Microphallidae) are parasites of birds, but have not been found in the Republic of Korea. In this study, metacercariae of Maritrema sp. were discovered in the Asian shore crab, Hemigrapsus sanguineus, caught in the mud-flats of Jebu-do, Hwasung-gun, Gyeonggi-do, and the adult flukes were confirmed by experimental infection into mice. Based on the symmetric ribbon-like vitellarium, adult flukes of Maritrema sp. were identified, but did not belong to previously described species in terms of the following morphologic characteristics: ceca reaching to the lateral wall at the anterior border of the ovary; ventral sucker larger than oral sucker; a prominent metraterm; and vitellarium forming a complete ring. Hence, we named this microphallid M. jebuensis n. sp. after the island where the second intermediate hosts were collected. From this study, it has been shown that Maritrema sp. is distributed in Korea and transmitted by the Asian shore crab, H. sanguineus.

Citations

Citations to this article as recorded by

Molecular characterization of Microphallus sp. (Digenea: Microphallidae) parasitic in freshwater crabs of Manipur, India
Voleentina Devi Athokpam, Lalit Mohan Goswami, Veena Tandon
Journal of Parasitic Diseases.2024; 48(3): 570. CrossRef
Maritrema patagonican. sp. (Digenea: Microphallidae) cultured from Metacercariae from Freshwater Anomuran,Aeglaspp. (Decapoda: Aeglidae), in Patagonia
Carlos A. Rauque, Verónica R. Flores, Norma L. Brugni
Comparative Parasitology.2013; 80(2): 196. CrossRef
Discovery ofMaritrema obstipum(Digenea: Microphallidae) from Migratory Birds in Korea
Ok-Sik Chung, Woon-Mok Sohn, Jong-Yil Chai, Min Seo, Hye-Jung Lee
The Korean Journal of Parasitology.2011; 49(4): 457. CrossRef
Parasites of shore crabs in the genusHemigrapsus(Decapoda: Brachyura: Varunidae) and their status in crabs geographically displaced: a review
John J. McDermott
Journal of Natural History.2011; 45(39-40): 2419. CrossRef

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Infection Status of Freshwater Crabs and Crayfish with Metacercariae of Paragonimus westermani in Korea: Eun-Min Kim, Jae-Lip Kim, Sung-Il Choi, Soon-Hyung Lee, Sung-Tae Hong; Korean J Parasitol 2009;47(4):425-426.
Published online December 2, 2009; DOI: https://doi.org/10.3347/kjp.2009.47.4.425

Abstract
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The present study investigated the infection status of Paragonimus westermani metacercariae in freshwater crabs (n = 363) and crayfish (n = 31) from October 2007 to October 2008 using the crush method. All of the freshwater crabs, Eriocheir japonicus, were negative for P. westermani metacercariae while 10 (32.3%) of the 31 examined crayfish were positive. The 10 positive crayfish were caught in Haenam, Jeollanam-do, and there were 8-59 (mean 28.4) metacrcariae per infected crayfish. These results suggest that P. westermani metacerariae are still transmitted by crayfish enzootically in southern Korea, and that freshwater crabs may transmit metacercariae only on rare occasions.

Citations

Citations to this article as recorded by

Survival and infectivity of Paragonimus westermani Metacercariae in soy sauce–marinated crayfish
Eun-Min Kim, Yan Jin, Sung-Tae Hong
Food and Waterborne Parasitology.2025; 40: e00277. CrossRef
Inactivation of Paragonimus westermani metacercariae in soy sauce-marinated and frozen freshwater crabs
Tae Im Kim, Se-Ra Oh, Fuhong Dai, Hyun-Jong Yang, Sang-Do Ha, Sung-Jong Hong
Parasitology Research.2017; 116(3): 1003. CrossRef
Recent Incidence of Paragonimus westermani Metacercariae in Freshwater Crayfish, Cambaroides similis, from Two Enzootic Sites in Jeollanam-do, Korea
Jin-Ho Song, Fuhong Dai, Xuelian Bai, Tae-Im Kim, Hyun-Jong Yang, Tong-Soo Kim, Shin-Hyung Cho, Sung-Jong Hong
The Korean Journal of Parasitology.2017; 55(3): 347. CrossRef
Cerebral Infarction and Cranial Venous Sinus Thrombosis Caused by Paragonimiasis
Jia‐Yan Wu, Bao‐Rong Zhang, Guo‐Hua Zhao
CNS Neuroscience & Therapeutics.2013; 19(9): 734. CrossRef
Heterotopic Paragonimiasis Presented by Intra-abdominal Masses
Ah Young Kim
The Korean Journal of Gastroenterology.2013; 61(6): 351. CrossRef
Clinical Update on Parasitic Diseases
Min Seo
Korean Journal of Medicine.2013; 85(5): 469. CrossRef
Paragonimiasis in the Abdominal Cavity and Subcutaneous Tissue: Report of 3 Cases
Chang Ho Lee, Jong Hun Kim, Woo Sung Moon, Min Ro Lee
The Korean Journal of Parasitology.2012; 50(4): 345. CrossRef
The Return of an Old Worm: Cerebral Paragonimiasis Presenting with Intracerebral Hemorrhage
Eun Jung Koh, Seung-Ki Kim, Kyu-Chang Wang, Jong-Yil Chai, Sangjoon Chong, Sung-Hye Park, Jung-Eun Cheon, Ji Hoon Phi
Journal of Korean Medical Science.2012; 27(11): 1428. CrossRef
Intestinal Paragonimiasis with Colonic Ulcer and Hematochezia in An Elderly Taiwanese Woman
Chung-Te Liu, Yen-Cheng Chen, Tso-Hsiao Chen, Ursula Barghouth, Chia-Kwung Fan
The Korean Journal of Parasitology.2012; 50(4): 349. CrossRef
A Case of Pulmonary Paragonimiasis with Involvement of the Abdominal Muscle in a 9-Year-Old Girl
Ah-Rum Cho, Hae-Ran Lee, Kwan-Sub Lee, Sang-Eun Lee, So-Yeon Lee
The Korean Journal of Parasitology.2011; 49(4): 409. CrossRef
Diseases of crayfish: A review
Matt Longshaw
Journal of Invertebrate Pathology.2011; 106(1): 54. CrossRef
Sensitive and rapid detection of Paragonimus westermani infection in humans and animals by loop-mediated isothermal amplification (LAMP)
M. X. Chen, L. Ai, R. L. Zhang, J. J. Xia, K. Wang, S. H. Chen, Y. N. Zhang, M. J. Xu, X. Li, X. Q. Zhu, J. X. Chen
Parasitology Research.2011; 108(5): 1193. CrossRef

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Case Report

Three Cases of Paragonimiasis in a Family: Byeong Seok Sohn, Yun-Jeong Bae, You Sook Cho, Hee-Bom Moon, Tae-Bum Kim; Korean J Parasitol 2009;47(3):281-285.
Published online August 28, 2009; DOI: https://doi.org/10.3347/kjp.2009.47.3.281

Abstract
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Paragonimiasis typically results from the consumption of raw or improperly cooked crustacea, especially crabs and crayfish. Although previously endemic in Korea, the prevalence of this disease decreased in the early 1970s because of educational campaigns and fewer intermediate hosts as a result of ecological changes. Recently, we were presented with a family where all members were infected with Paragonimus after ingestion of Kejang (= drunken crab). The mother was hospitalized for general myalgia and weakness first, followed by the father, who was hospitalized for dyspnea 2 month later. After the parents were diagnosed with paragonimiasis, we recommended their daughter to visit our hospital for a checkup, because they all had eaten freshwater crabs soaked in soybean sauce. She complained of generalized myalgia, fever, and pleuritic pain, and was also diagnosed with paragonimiasis. Peripheral blood of the 3 patients revealed hypereosinophilia, and computed tomography (CT) scans of their chests showed pleural effusion. The results of antibody tests by ELISA were positive for paragonimiasis. We report here the case series of familial paragonimiasis in a modern urban city, rather than in a typical endemic area.

Citations

Citations to this article as recorded by

A Cluster of Paragonimiasis with Delayed Diagnosis Due to Difficulty Distinguishing Symptoms from Post-COVID-19 Respiratory Symptoms: A Report of Five Cases
Jun Sasaki, Masanobu Matsuoka, Takashi Kinoshita, Takayuki Horii, Shingo Tsuneyoshi, Daiki Murata, Reiko Takaki, Masaki Tominaga, Mio Tanaka, Haruhiko Maruyama, Tomotaka Kawayama, Tomoaki Hoshino
Medicina.2023; 59(1): 137. CrossRef
Analysis of COI and ITS2 regions of DNA obtained from Paragonimus westermani eggs in ancient coprolites on Joseon dynasty mummies
Jong Ha Hong, Chang Seok Oh, Min Seo, Dong Hoon Shin
Memórias do Instituto Oswaldo Cruz.2019;[Epub] CrossRef
Paragonimus and paragonimiasis in Asia: An update
Ayako Yoshida, Pham Ngoc Doanh, Haruhiko Maruyama
Acta Tropica.2019; 199: 105074. CrossRef
Inactivation of Paragonimus westermani metacercariae in soy sauce-marinated and frozen freshwater crabs
Tae Im Kim, Se-Ra Oh, Fuhong Dai, Hyun-Jong Yang, Sang-Do Ha, Sung-Jong Hong
Parasitology Research.2017; 116(3): 1003. CrossRef
Paragonimiasis in Children in Southwest China
Zongrong Gong, Ruixue Miao, Min Shu, Yu Zhu, Yang Wen, Qin Guo, Qiong Liao, Chaomin Wan
Medicine.2017; 96(25): e7265. CrossRef
Recent Incidence of Paragonimus westermani Metacercariae in Freshwater Crayfish, Cambaroides similis, from Two Enzootic Sites in Jeollanam-do, Korea
Jin-Ho Song, Fuhong Dai, Xuelian Bai, Tae-Im Kim, Hyun-Jong Yang, Tong-Soo Kim, Shin-Hyung Cho, Sung-Jong Hong
The Korean Journal of Parasitology.2017; 55(3): 347. CrossRef
A Case of Ectopic Paragonimiasis in a 17th Century Korean Mummy
D. H. Shin, Y.-S. Kim, D. S. Yoo, M. J. Kim, C. S. Oh, J. H. Hong, E. Lee, J. Y. Chai, M. Seo
Journal of Parasitology.2017; 103(4): 399. CrossRef
Clinical Update on Parasitic Diseases
Min Seo
Korean Journal of Medicine.2013; 85(5): 469. CrossRef
Ectopic paragonimiasis from 400-year-old female mummy of Korea
Dong Hoon Shin, Chang Seok Oh, Sang Jun Lee, Eun-Joo Lee, Se Gwon Yim, Myeung Ju Kim, Yi-Suk Kim, Soong Deok Lee, Yong Seok Lee, Hye Jung Lee, Min Seo
Journal of Archaeological Science.2012; 39(4): 1103. CrossRef
Consecutive extrapulmonary paragonimiasis involving liver and colon
Chang Wook PARK, Woo Jin CHUNG, Young Lan KWON, Yong Jin KIM, Eun Soo KIM, Byung Kuk JANG, Kyung Sik PARK, Kwang Bum CHO, Jae Seok HWANG, Jung Hyuk KWON
Journal of Digestive Diseases.2012; 13(3): 186. CrossRef
Characterization of MicroRNAs in Paragonimus westermani by Solexa Deep Sequencing and Bioinformatics Analysis
L. Ai, M.X. Chen, S.H. Chen, Y.N. Zhang, H. Li, Y.C. Cai, Y. Lu, L.G. Tian, X.N. Zhou, J.X. Chen
Journal of Animal and Veterinary Advances.2012; 11(18): 3469. CrossRef
Sensitive and rapid detection of Paragonimus westermani infection in humans and animals by loop-mediated isothermal amplification (LAMP)
M. X. Chen, L. Ai, R. L. Zhang, J. J. Xia, K. Wang, S. H. Chen, Y. N. Zhang, M. J. Xu, X. Li, X. Q. Zhu, J. X. Chen
Parasitology Research.2011; 108(5): 1193. CrossRef
A Case of Pulmonary Paragonimiasis with Involvement of the Abdominal Muscle in a 9-Year-Old Girl
Ah-Rum Cho, Hae-Ran Lee, Kwan-Sub Lee, Sang-Eun Lee, So-Yeon Lee
The Korean Journal of Parasitology.2011; 49(4): 409. CrossRef
Prevalence of Paragonimus and Angiostrongylus cantonensis Infections in Snails in Southeastern China
Y.Z. Cheng, J. Hou, X.H. He, Z.K. Hong, L.S. Li, G.H. Lin, M.X. Chen, S.H. Chen
Journal of Animal and Veterinary Advances.2011; 10(19): 2599. CrossRef
A fluke occurrence of paramount significance
D Gude, DP Bansal
Journal of Postgraduate Medicine.2011; 57(3): 255. CrossRef

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Original Article

Indochinamon ou (Crustacea: Potamidae) as a New Second Intermediate Host for Paragonimus harinasutai in Luang Prabang Province, Lao PDR: Woon-Mok Sohn, Jae-Sook Ryu, Duk-Young Min, Hyun-Ouk Song, Han-Jong Rim, Youthanavanh Vonghachack, Daluny Bouakhasith, Virasack Banouvong; Korean J Parasitol 2009;47(1):25-29.
Published online March 12, 2009; DOI: https://doi.org/10.3347/kjp.2009.47.1.25

Abstract
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Paragonimus harinasutai metacercariae were found in a species of freshwater crab, Indochinamon ou, collected in a small stream of Namback District, Luang Prabang Province, Lao PDR. Adult flukes were recovered after experimental infection of the metacercariae to dogs. Metacercariae were round or slightly elliptical, 0.666 × 0.626 mm in average size, and had a thin cyst wall of about 20 ?m in thickness, a black excretory bladder, convoluted ceca, and some pinkish materials in the body. Adults were somewhat elongated, 95.2 × 36.5 mm in average size, covered with single-tipped tegumental spines, had a smaller oral sucker than the ventral sucker, a moderately branched ovary, and 5-6 lobulated testes. Eggs were ovoid and bilaterally symmetrical in shape, 79 × 45 ?m in average size, and had a uniformly thickened shell. By the present study, it has been confirmed that I. ou is a new second intermediate host for P. harinasutai.

Citations

Citations to this article as recorded by

Considerable genetic diversity within Paragonimus heterotremus in Luang Prabang, northern Lao People's Democratic Republic
Alongkorn Nonthapa, Rutchanee Rodpai, Tongjit Thanchomnang, Patcharaporn Boonroumkaew, Lakkhana Sadaow, David Blair, Pewpan M. Intapan, Wanchai Maleewong, Virasack Banouvong, Sakhone Laymanivong, Oranuch Sanpool
Infection, Genetics and Evolution.2025; 128: 105718. CrossRef
Usefulness and limits of Ziehl-Neelsen staining to detect paragonimiasis in highly endemic tuberculosis areas
Kethmany Ratsavong, Fabrice Quet, Fulgence Nzabintwali, Jeoffray Diendéré, Jacques Sebert, Michel Strobel, Yves Buisson
Parasite Epidemiology and Control.2017; 2(1): 1. CrossRef
Morphological and molecular identification of a lung fluke, Paragonimus macrorchis (Trematoda, Paragonimidae), found in central Lao PDR and its molecular phylogenetic status in the genus Paragonimus
Oranuch Sanpool, Pewpan Maleewong Intapan, Tongjit Thanchomnang, Penchom Janwan, Sakhone Laymanivong, Hiromu Sugiyama, Wanchai Maleewong
Parasitology International.2015; 64(6): 513. CrossRef

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Brief Communication

Skin Test for Paragonimiasis among Schoolchildren and Villagers in Namback District, Luangprabang Province, Lao PDR: Hyun-Ouk Song, Duk-Young Min, Han-Jong Rim, Vonghachack Youthanavanh, Bouakhasith Daluny, Vongsouvan Sengdara, Banouvong Virasack, Phommasak Bounlay; Korean J Parasitol 2008;46(3):179-182.
Published online September 20, 2008; DOI: https://doi.org/10.3347/kjp.2008.46.3.179

Abstract
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As a part of a broader effort to determine the status of Paragonimus species infection in Lao PDR, an epidemiological survey was conducted on villagers and schoolchildren in Namback District between 2003 and 2005. Among 308 villagers and 633 primary and secondary schoolchildren, 156 villagers and 92 children evidenced a positive reaction on a Paragonimus skin test. Only 4 schoolchildren out of 128 skin test-positive cases had Paragonimus sp. eggs in their sputum, all of which was collected on 1 day. Several types of crabs, which were identified as the second intermediate host of the Paragonimus species, were collected from markets and streams in a paragonimiasis endemic area for the inspection of metacercariae. Among the examined crabs, only "rock crabs" (Indochinamon ou) harbored Paragonimus sp. metacercariae, and it is speculated that the life cycle of Paragonimus sp. was maintained via rock crabs in Namback District, Lao PDR.

Citations

Citations to this article as recorded by

Paragonimus and paragonimiasis in Asia: An update
Ayako Yoshida, Pham Ngoc Doanh, Haruhiko Maruyama
Acta Tropica.2019; 199: 105074. CrossRef
Usefulness and limits of Ziehl-Neelsen staining to detect paragonimiasis in highly endemic tuberculosis areas
Kethmany Ratsavong, Fabrice Quet, Fulgence Nzabintwali, Jeoffray Diendéré, Jacques Sebert, Michel Strobel, Yves Buisson
Parasite Epidemiology and Control.2017; 2(1): 1. CrossRef

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Original Articles

Microphallus koreana n. sp. (Trematoda: Microphallidae) Transmitted by a Marine Crab, Macrophthalmus dilatatus: Sang-Mee Guk, Jong-Yil Chai, Woon-Mok Sohn, You-Me Kim, Seobo Sim, Min Seo; Korean J Parasitol 2008;46(3):165-169.
Published online September 20, 2008; DOI: https://doi.org/10.3347/kjp.2008.46.3.165

Abstract
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Microphallus species occur primarily as intestinal parasites of birds and mammals, and metacercariae of a new species belonging to this genus have been discovered from the crab, Macrophthalmus dilatatus, in the Republic of Korea. The metacercaria of this fluke was round with 2 thick walls, and the excysted one had mature genital organs. The adult flukes recovered from experimentally infected chicks had numerous intrauterine eggs, well-developed pars prostatica, widely bifurcating ceca, and prominent uterine bulge. After observing internal structures, it was concluded that this species is different from any other known Microphallus spp. Based on the morphology of metacercariae and adult flukes, we describe this specimen as a new species, Microphallus koreana n. sp.

Citations

Citations to this article as recorded by

Molecular characterization of Microphallus sp. (Digenea: Microphallidae) parasitic in freshwater crabs of Manipur, India
Voleentina Devi Athokpam, Lalit Mohan Goswami, Veena Tandon
Journal of Parasitic Diseases.2024; 48(3): 570. CrossRef
Parasites differentially impact crayfish personality in different contexts
Rebecca Noel MacKay, Paul A. Moore
Behaviour.2021; 158(10): 921. CrossRef
A preliminary study on some larval trematodes parasites of marine snail Cerithidea cingulata (Gmelin, 1791) in Al- faw Bay, South of Iraq

International Journal of Biosciences (IJB).2020; : 464. CrossRef
Infections with Digenetic Trematode Metacercariae in Freshwater Fishes from Two Visiting Sites of Migratory Birds in Gyeongsangnam-do, Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na
The Korean Journal of Parasitology.2019; 57(3): 273. CrossRef
Morphology and histology of the adultParamphistomum gracileFischoeder, 1901
Busaba Panyarachun, Arin Ngamniyom, Prasert Sobhon, Panat Anuracpreeda
Journal of Veterinary Science.2013; 14(4): 425. CrossRef
Discovery ofMaritrema obstipum(Digenea: Microphallidae) from Migratory Birds in Korea
Ok-Sik Chung, Woon-Mok Sohn, Jong-Yil Chai, Min Seo, Hye-Jung Lee
The Korean Journal of Parasitology.2011; 49(4): 457. CrossRef
Surveys of Gynaecotyla squatarolae and Microphallus koreana (Digenea: Microphallidae) Metacercariae in Two Species of Estuarine Crabs in Western Coastal Areas, Korea
Hye Jung Lee, Jong-Yil Chai, Jin-Woo Lee, Ho Jin, Kwan-Hong Min, Yong-Jun Cho, Min Seo
The Korean Journal of Parasitology.2010; 48(1): 81. CrossRef
Discovery ofMaritrema jebuensisn. sp. (Digenea: Microphallidae) from the Asian Shore Crab,Hemigrapsus sanguineus, in Korea
Ok-Sik Chung, Hye-Jung Lee, Woon-Mok Sohn, Seung-Ha Lee, Il-Yong Park, Sang-Ah Oh, Jong-Yil Chai, Min Seo
The Korean Journal of Parasitology.2010; 48(4): 335. CrossRef

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Gynaecotyla squatarolae (Digenea: Microphallidae) from rats experimentally infected with metacercariae from the shore crab, Macrophthalmus dilatatus: Min Seo, Sang-Mee Guk, Seung-Ha Lee, Jong-Yil Chai; Korean J Parasitol 2007;45(3):199-204.
Published online September 20, 2007; DOI: https://doi.org/10.3347/kjp.2007.45.3.199

Abstract
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Metacercariae of Gynaecotyla squatarolae (Digenea: Microphallidae) were discovered from the shore crab, Macrophthalmus dilatatus, purchased at a market in a coastal town of Taean-Eup, Chungcheongnam-do, Republic of Korea. Their adult flukes were confirmed by experimental infection of rats. The metacercariae of G. squatarolae were elliptical (391.1 x 362.5 ?m), and the excysted metacercariae had progenetic genital organs, including the ovary and testes. To obtain adult flukes, 6 Sprague-Dawley rats were fed 500 metacercariae each, and killed at days 2, 4, and 6 post-infection. The adult flukes were identified as G. squatarolae (Yamaguti, 1934) Yamaguti, 1939, based on morphological characters, including 2 ventral suckers (1 large and 1 small), a large genital atrium equipped with the cirrus and the metraterm, separated male and female genital pores, a transversely long cirrus pouch, and extensive vitelline follicles. In the present study, it has been first proven that the shore crab M. dilatatus is a second intermediate host for G. squatarolae in the Republic of Korea.

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Brief Communication

Surveys of Gynaecotyla squatarolae and Microphallus koreana (Digenea: Microphallidae) Metacercariae in Two Species of Estuarine Crabs in Western Coastal Areas, Korea: Lee, Hye Jung , Chai, Jong Yil , Lee, Jin Woo , Jin, Ho , Min, Kwan Hong , Cho, Yong Jun , Seo, Min; Korean J Parasitol 2010;48(1):81-83.; DOI: https://doi.org/10.3347/kjp.2010.48.1.81

Abstract
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To figure out the geographical distribution of Gynaecotyla squatarolae and Microphallus koreana metacercariae in Korea, shore crabs of southwestern coastal areas were examined. Eight coastal areas in Inchon-si (A), Gyeonggi-do (B), Chungcheongnam-do (C, D, and E), Jeollabuk-do (F), and Jeollanam-do (G and H) were selected, and 2 kinds of crabs, Macrophthalmus dilatatus and/or Macrophthalmus japonicus, were caught. After transportation to the laboratory, 15 crabs per each group were grouped and ground in a mortar and pestle, and examined for microphallid metacercariae. In M. dilatatus, G. squatarolae metacercariae were recovered from 3 (C, E, and H) out of 6 regions, but M. koreana metacercariae were not recovered. In the case of M. japonicus, G. squatarolae metacercariae were recovered from 6 (B, D, E, F, G, and H) of 7 areas surveyed, and M. koreana matacercariae were detected from 5 regions (A, B, D, F, and H). These results indicate that the life cycle of G. squatarolae is maintained in the western coastal areas using M. dilatatus and M. japonicus as intermediate hosts, while that of M. koreana is maintained only using M. japonicus.

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