Molecular Identification of Diphyllobothrium latum from a Pediatric Case in Taiwan

Yu-Chin An; Chia-Cheng Sung; Chih-Chien Wang; Hsin-Chung Lin; Kuang-Yao Chen; Fu-Man Ku; Ruei-Min Chen; Mei-Li Chen; Kuo-Yang Huang

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저자정보: Yu-Chin An (National Defense Medical Center) Chia-Cheng Sung (National Defense Medical Center) Chih-Chien Wang (National Defense Medical Center) Hsin-Chung Lin (National Defense Medical Center) Kuang-Yao Chen (Chang Gung University) Fu-Man Ku (Chang Gung University) Ruei-Min Chen (National Defense Medical Center) Mei-Li Chen (National Defense Medical Center) Kuo-Yang Huang (National Defense Medical Center)

저널정보: 대한기생충학열대의학회 Parasites, Hosts and Diseases The Korean Journal of Parasitology Vol.55 No.4

발행연도: 2017.8

수록면: 425 - 428 (4page)

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Human diphyllobothriasis is a parasitic disease caused by ingestion of larvae (plerocercoids) in raw or undercooked fish and commonly found in temperate areas. Rare cases were reported in tropical or subtropical areas especially in children. The first documented case of pediatric diphyllobothriasis in Taiwan had been reported 11 years ago. Here, we report another 8-year-old girl case who presented with a live noodle-like worm hanging down from her anus, with no other detectable symptoms. We pulled the worm out and found the strobila being 260 cm in length. Examination of gravid proglottids showed that they were wider than their lengths, containing an ovoid cirrus sac in the anterior side and the rosette-shaped uterus. Eggs extracted from the uterus were ovoid and operculated. Diphyllobothrium latum was confirmed by molecular analysis of the mitochondrial DNA cytochrome c oxidase subunit 1 (cox1) gene. The girl was treated with a single oral dose of praziquantel, and no eggs or proglottids were observed from her stool in the subsequent 3 months. The reemergence of human diphyllobothriasis in non-endemic countries is probably due to prevalent habit of eating imported raw fish from endemic areas. This pediatric case raised our concern that human diphyllobothriasis is likely underestimated because of unremarkable symptoms.

#Diphyllobothrium latum #diphyllobothriasis #pediatric case #cox1

참고문헌 (10)

참고문헌 신청

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[학술지(정기간행물)] - Scholz T / 2009 / Update on the human broad tapeworm (genus diphyllobothrium), including clinical relevance / Clin Microbiol Rev 22 : 146 ~ 160

[학술지(정기간행물)] - Chou HF / 2006 / Diphyllobothriasis latum : the first child case report in Taiwan / Kaohsiung J Med Sci 22 : 346 ~ 351

[학술지(정기간행물)] - Wicht B / 2010 / Multiplex PCR for differential identification of broad tapeworms(Cestoda : Diphyllobothrium)infecting humans / J Clin Microbiol 48 : 3111 ~ 3116

[학술지(정기간행물)] - Dick TA / 2001 / Diphyllobothriasis: update on human cases, foci, patterns and sources of human infections and future considerations / Southeast Asian J Trop Med Public Health 32 (suppl) : 59 ~ 76

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