Highlights Diagnosis of severe UC constitutes a difficult task in elderly patient. CT imaging can help physicians exclude non-surgical condition. Severe UC should be kept in mind in elderly patients with new onset abdominal pain.

HighlightsWe presented a patient with PNET, lymphoma, and SCC occurring simultaneously.Malignant lymphoma in this case presented with a slow-growing mass at right testis.Hypodense lesion at tail of pancreas by CT scan is rather found in adenocarcinoma.

Highlights Large GIST in proximal jejunum mimick the mucinous cystic neoplasm of pancreas by preoperative Computed Tomography (CT) scan. GISTs are rarely occurred in jejunum. The misdiagnosis of this case might be due to the proximity of the tumor to the body and tail of pancreas, and compressing the adjacent organ due to its large size.

HighlightsMAC arising at a hand may require wider excision in order to achieve best result.The metastatic route could be explained the spreading via lymphatic system.CT scan renders more details and more precise diagnosis in a suspicious situation.

Highlights Mental retardation caused by cerebral palsy results in difficult examination. Spasticity in cerebral palsy can mimic acute abdomen. Diagnosis of tuberculous peritonitis constitutes difficult task in cerebral palsy.