Differential diagnosis of mass in right iliac fossa 2021-09-052021-09-03 by admin Q) Patient with generalized ill health and pyrexia has a mass in the right iliac fossa with a history of blood-stained mucoid diarrheia? Most common etiology in this case would be ? a) Carcinoma b) TB c) Amoeboma d) Lymphoma More questions on general surgery tropical infections Ans c ✅ Amoeboma is partially treated amoebic infection of the caecum It mostly presents as a mass in RIF and causes confusion with malignancy. Such a patient is highly unlikely to have a carcinoma because altered bowel habit is not a feature of right-sided colonic carcinoma. Ref Bailey page 58 Answer FREE