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  • Title: Neurocysticercosis: A case study of a Mongolian traveler who visited China and India with an updated review in Asia.
    Author: Davaasuren A, Davaajav A, Ukhnaa B, Purvee A, Unurkhaan S, Luvsan A, Logan JE, Ito A.
    Journal: Travel Med Infect Dis; 2017; 20():31-36. PubMed ID: 28478337.
    Abstract:
    BACKGROUND: Neurocysticercosis (NCC) of Taenia solium has never been reported in Mongolia. A Mongolian traveler who visited China and India presented with epileptic seizures after his return to Mongolia. Magnetic resonance imaging showed multiple ring enhancing lesions with edema surrounding several lesions in his brain that were initially diagnosed to be viral encephalitis or NCC. METHODS: Serology for cysticercosis using diagnostic antigens partially purified by cation-exchange chromatography and chimeric recombinant antigens and DNA analysis of a proglottid found in the patient's stool were applied for differential diagnosis. RESULTS: Serology showed strong positivity for NCC, and mitochondrial cox1 gene analysis revealed Indian but not Chinese haplotype of T. solium. CONCLUSION: This NCC case was considered to be caused by eggs released from adult tapeworm(s) established after eating uncooked or undercooked pork contaminated with cysticerci during his stay in India. This is a case report of taeniasis and secondary NCC associated with travel to India with an updated review of NCC in Asia. Molecular tracking of the specimen is highly informative as a way to identify where the infection was acquired.
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