Gastrointestinal stromal tumor of the appendix, extremely rare, mostly benign

A 92-year-old female is admitted with acute right-sided lower abdominal pain. On admission the patient is in good general condition. The abdomen is soft, with tenderness in the right lower abdomen, peristalsis is downright. In the abdominal ultrasonography we find a 2.5 cm long and 14 mm wide cockade with preserved wall stratification in the right lower abdomen. Immediate laparoscopy is initiated. It reveals a necrotic, fibrin-appendix with ischemia of the distal cecum. Laparoscopic appendectomy with ileocecal resection is performed. Wound healing is primarily, the patient can be discharged after 5 days. Histolo…