Fig. 5
From: The first case of huge amebic intra-abdominal tumor with asymptomatic amebic colitis
Pathological findings of the tumor (hematoxylin and eosin staining for a–d). a, b Deposition of hemosiderin and accumulation of macrophages including multinuclear giant cells in the cystic wall are evident. No endothelial cells are apparent in the cystic wall. The tumor does not show contact with the stomach on pathological examination. c, d The tumor shows trophozoites of E. histolytica engulfing erythrocytes