A case of hepatic anisakidosis caused by Anisakis pegreffii mimicking liver cancer

Extra-gastrointestinal anisakidosis is rare. We herein report an Anisakis pegreffii infection in a patient with hepatic anisakidosis diagnosed based on its molecular identification. A 71-year-old male patient had a hepatic tumor presenting as a low-density area of 20 mm in diameter in segment 6 of t...

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Detalles Bibliográficos
Autores principales: Yamada, Minoru, Murakoshi, Fumi, Ikoma, Hisashi, Inamori, Osamu, Yanagisawa, Akio, Konishi, Eiichi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Korean Society for Parasitology and Tropical Medicine 2023
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10471479/
https://www.ncbi.nlm.nih.gov/pubmed/37648234
http://dx.doi.org/10.3347/PHD.23055
Descripción
Sumario:Extra-gastrointestinal anisakidosis is rare. We herein report an Anisakis pegreffii infection in a patient with hepatic anisakidosis diagnosed based on its molecular identification. A 71-year-old male patient had a hepatic tumor presenting as a low-density area of 20 mm in diameter in segment 6 of the liver on abdominal ultrasonography, computed tomography, and magnetic resonance imaging. The surgically resected pathological specimen revealed a necrotizing eosinophilic granuloma containing nematode larvae, possibly an Anisakis larva. Molecular and phylogenetic analysis demonstrated Anisakis larvae belonging to A. pegreffii. The present results will help identify and characterize unknown Anisakis species in histological sections.

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