A 30-year-old man presents with a 1-day history of emesis and diarrhea.

Fig. 115.1 (A–C) Axial, (D,E) coronal, and (F,G) sagittal images of the abdomen and pelvis show a tubular structure arising from the distal small bowel (arrows) filled with gas and particulate material. There is accompanying soft tissue stranding seen surrounding this structure.

Perforated Meckel diverticulum

• Acute appendicitis
  
• Crohn disease
  
• Ileal diverticulitis
  
• Foreign body perforation
  
• Perforated neoplasm