Massa mirip tumor yang disebabkan oleh reaksi granulomatosa di usus pada amubiasis.

Ameboma (Wikipedia)

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.