Imported Opisthorchiasis in Moscow and a substantiation of an alternative concept for the hematogenous migration of Opisthorchis larvaе

The relevance of opisthorchiasis is due to its widespread prevalence in the wild in Russia and its ability to infect humans through the consumption of improperly cooked fish. The aim of this paper is to present available literature data on the epidemiology, clinical and laboratory manifestations, and diagnosis of opisthorchiasis, illustrated by a clinical example. This paper also presents an alternative theory for the hematogenous path of parasite migration in the definitive host. Materials and Methods: A review of recent Russian and international literature, including online resources, was conducted on the situation with opisthorchiasis in Russia and Moscow, as well as the pathogenesis of opisthorchiasis. A clinical observation of a patient with imported opisthorchiasis in Moscow was presented. Conclusion. The diagnosis of opisthorchiasis is based on the epidemiological history, clinical presentation, eosinophilia, and detection of multiple inflammatory foci in the liver. This diagnosis is confirmed by coproovoscopic and serological methods. Focal changes in the liver parenchyma can be explained by the hematogenous migration of opisthorchis larvae.

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