A Case of Taenia asiatica Infection Diagnosed by Colonoscopy

Kim, Heung Up; Chung, Yong‐An

doi:10.3347/kjp.2017.55.1.65

Cited by 7 publications

(7 citation statements)

References 8 publications

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“…Meat inspection of 6 seropositive pigs (6 infected) [ 39 ] na na – + [ 21 ] Japan – – – – + [ 22 ] Laos Meat inspection of 590 pigs (5 infected) [ 10 ]. OIE reported cases occurring during 2005–2017 na na Meat inspection of 590 pigs (1 infected) [ 10 ] na Malaysia – – – – – Mongolia OIE reported cases occurring during 2005–2017 na na – – Myanmar Meat inspection of 300 pigs (71 infected) [ 40 ] na na – – North Korea – – + [ 27 ] – – Philippines – – + [ 28 ] – – Singapore – – – – – South Korea – – – – + [ 32 ] Thailand – + [ 33 ] + [ 33 ] – + [ 33 ] Vietnam Tongue examination of 172,087 pigs (109 infected) [ 41 ]. OIE reported cases occurring during 2005–2017 na na – + [ 12 ] …”

Section: Resultsmentioning

confidence: 99%

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Porcine cysticercosis (Taenia solium and Taenia asiatica): mapping occurrence and areas potentially at risk in East and Southeast Asia

et al. 2018

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BackgroundDue to the relative short life span and the limited spatial movement, porcine cysticercosis is an excellent indicator of current local active transmission. The aim of this study was to map at province-level, the occurrence of T. solium and T. asiatica in pigs and areas at risk of transmission to pigs in East and Southeast Asia, based on the density of extensive pig production systems and confirmed reports of porcine cysticercosis.MethodsThis study covered East and Southeast Asia, which consist of the following countries: Brunei, Cambodia, China, East Timor, Indonesia, Japan, Laos, Malaysia, Mongolia, Myanmar, North Korea, Philippines, Singapore, South Korea, Thailand and Vietnam. Literature searches were carried out to identify current epidemiological data on the occurrence of porcine cysticercosis caused by T. solium and T. asiatica infections. Modelled densities of pigs in extensive production systems were mapped and compared to available data on porcine cysticercosis.ResultsPorcine cysticercosis was confirmed to be present during the period 2000 to 2018 in eight out of the 16 countries included in this study. Taenia solium porcine cysticercosis was confirmed from all eight countries, whereas only one country (Laos) could confirm the presence of T. asiatica porcine cysticercosis. Province-level occurrence was identified in five countries (Cambodia, Indonesia, Laos, Myanmar, and Vietnam) across 19 provinces. Smallholder pig keeping is believed to be widely distributed throughout the region, with greater densities predicted to occur in areas of China, Myanmar, Philippines and Vietnam.ConclusionsThe discrepancies between countries reporting taeniosis and the occurrence of porcine cysticercosis, both for T. solium and T. asiatica, suggests that both parasites are underreported. More epidemiological surveys are needed to determine the societal burden of both parasites. This study highlights a straightforward approach to determine areas at risk of porcine cysticercosis in the absence of prevalence data.Electronic supplementary materialThe online version of this article (10.1186/s13071-018-3203-z) contains supplementary material, which is available to authorized users.

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Section: Resultsmentioning

confidence: 99%

“…Cysticercosis is not considered endemic in South Korea [ 31 ]. However, a recent case report of T. asiatica taeniosis showed that sporadic transmission is still suspected within South Korea [ 32 ]. Epidemiological surveys of pigs in rural areas are needed to confirm or refute the presence of porcine cysticercosis in South Korea.…”

Section: Discussionmentioning

confidence: 99%

Porcine cysticercosis (Taenia solium and Taenia asiatica): mapping occurrence and areas potentially at risk in East and Southeast Asia

et al. 2018

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“…Human taeniases are caused by the tapeworm species of Taenia solium , Taenia asiatica , or Taenia saginata . Among them, T. asiatica is mainly distributed in Asian countries, and is the dominant tapeworm species in South Korea [ 1 , 2 ]. Due to morphological similarity, T. asiatica has been confused with T. saginata , even by experienced parasitologists.…”

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confidence: 99%

“…Korean T. saginata has been more frequently observed among people with a dietary history of ingesting raw pork than raw beef. This is interesting in that the intermediate host of T. saginata is not the pig, but the cattle [ 2 , 3 ]. This issue was finally solved when South Korean taeniases originally diagnosed as T. saginata were revealed to be actually T. asiatica , which shares a common intermediate host (the pig) with T. solium [ 3 ].…”

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confidence: 99%

Historical Details about the Meat Consumption and Taeniases in Joseon Period of Korea

et al. 2017

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Previous paleoparasitological studies of Joseon specimens established that the prevalence of Taenia infection was not much different from that of the early 20th century Korean population. As many of taeniases originally diagnosed as Taenia saginata in South Korea were revealed to be actually Taenia asiatica, which share a common intermediate host with T. solium (the pig), Joseon people must have ingested raw pork frequently. However, the current examination of extant Joseon documents revealed that the population ate significant amounts of beef even if the beef ban was enforced; and pork was not consumed as much as we thought. Considering the meat consumption pattern at that time, Joseon people should have been infected by T. saginata more frequently than T. asiatica. This may suggest a low prevalence of T. saginata metacestodes in cattle compared to that of T. asiatica metacestodes in pigs, possibly due to the traditional way of rearing pigs (using human feces). This letter gives us a chance to reconsider the existing preconception about parasitic infections in Korean history though we are still hard to accurately estimate the historical patterns of taeniases at this stage.

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“…Recently, diphyllobothriosis is reemerging because of expanded global importation and increased popularity of eating raw fish [1] . There are some imaging modalities for diagnosis of tapeworms such as small bowel series [2] , capsule endoscopy [3] , [4] , [5] , and ultrasonography (US). In this paper, we present a case whose diphyllobothriasis could be diagnosed with characteristic US findings that have not previously been reported.…”

Section: Introductionmentioning

confidence: 99%

Ultrasonographic findings of Diphyllobothrium nihonkaiense: A case report

Hiroshima

Nakagawa

Ito

et al. 2019

Radiology Case Reports

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A 6-year-old girl was admitted to our hospital due to discharging the strobila of a tapeworm (Diphyllobothrium nihonkaiense) from her anus. Before excreting the tapeworm completely with anthelmintics, ultrasonography was performed. The tapeworm was shown as a slightly high echoic strand-like lesion on ultrasonography in the terminal ileum. In this strand-like lesion, some high echoic spots were detected. This finding was considered as a characteristic of Diphylloborthriasis.

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A Case of Taenia asiatica Infection Diagnosed by Colonoscopy

Cited by 7 publications

References 8 publications

Porcine cysticercosis (Taenia solium and Taenia asiatica): mapping occurrence and areas potentially at risk in East and Southeast Asia

Porcine cysticercosis (Taenia solium and Taenia asiatica): mapping occurrence and areas potentially at risk in East and Southeast Asia

Historical Details about the Meat Consumption and Taeniases in Joseon Period of Korea

Ultrasonographic findings of Diphyllobothrium nihonkaiense: A case report

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