Korean J Parasitol.  1997 Mar;35(1):63-66. 10.3347/kjp.1997.35.1.63.

A case of extragastrointestinal anisakiasis involving a mesocolic lymph node

  • 1Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.


In a 43-year-old Korean man who underwent radical gastrectomy due to a malignant stromal tumor, was found to have an enlarged lymph node at transverse mesocolon. The lymph node exhibited histologically necrotizing eosinophilic granuloma formed around a track containing sections of a nematode larva. The well preserved nematode sections revealed polymyarian muscle cells, Y-shaped lateral cord, a large excretory gland cell, intestine and eosinophilic cuticle. The nematode sections were identified as a larva of Anisakis species. In Korea, this is the first case of extragastrointestinal anisakiasis.

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