Difficulties in diagnosing opisthorchiasis in a non-endemic region

• Larisa V. Ter-Bagdasaryan
• Olga N. Sergeeva
• Lyudmila I. Ratnikova

Abstract

In the structure of biohelminthiasis in Russia in 2022, opisthorchiasis accounted for 80.92%, 11 520 cases of this invasion were registered. More than 25% of the administrative territory of the Russian Federation are endemic for opisthorchiasis. In connection with the development of domestic tourism and visiting regions with a high incidence of opisthorchiasis, this problem is becoming especially relevant due to the difficulties of timely diagnosis.

The purpose of the work is to describe the features of clinical and radiation diagnostics of a case of opisthorchiasis.

Results and discussion. The article describes a clinical case of acute opisthorchiasis with the transition to a chronic form, which developed in a resident of a non-endemic territory. Conditionally specific features of clinical manifestations of opisthorchiasis, its symptoms suggest a wide differential diagnostic range. To diagnose this invasion, a comprehensive examination of the patient is necessary, which involves collecting and analyzing a targeted epidemiological anamnesis, life and disease history, general clinical and biochemical laboratory tests, serodiagnostics, parasitological research methods. An important role in the diagnosis of acute opisthorchiasis belongs to instrumental research methods (ultrasound, CT and MRI), which requires additional knowledge of radiation diagnostics specialists.

Keywords: opisthorchiasis; epidemiological anamnesis; instrumental diagnostic methods; medical visualization

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