Ameboma

An ameboma, also known as an amebic granuloma, is a rare complication of Entamoeba histolytica infection, where in response to the infecting amoeba there is formation of annular colonic granulation, which results in a large local lesion of the bowel.[1]

Clinical Features

The ameboma may manifest as a right lower quadrant abdominal mass, which may be mistaken for carcinoma, tuberculosis, Crohn's disease, actinomycosis, or lymphoma.

Diagnosis

Biopsy is necessary for definitive diagnosis.

References

  1. Amebiasis at eMedicine
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