Human ectopic fascioliasis in the cecum.

A case of ectopic human Fasciola spp. infection in the cecal wall is reported. The patient, a 27-year-old Korean woman, resident in Seoul, Korea, presented with nausea, vomiting, and epigastric tenderness. One week later a palpable mass was discovered in the right iliac fossa. A clinical diagnosis of a carcinoma of the colon was made and the patient underwent a cecal resection. The mass proved to be an inflammatory reaction containing numerous tracts made by the migrating fluke, Fasciola sp.