Fig. 2
From: CT differentiation of gastric ectopic pancreas from gastric stromal tumor
Patient 1, 50–60 years old, sex 1. Stromal tumor in gastric fundus (a–c). Axial CT scans (non-enhanced, arterial and portal phase) show an irregular mass with mixed growth pattern. Ulceration (*), calcification (arrow), necrosis (bend-arrow) are presented in the lesion and the mass shows mind to moderate heterogeneous enhancement (d–f). Histological and immunohistochemical images show that stromal tumor is positive for DOG1 (e) and CD117 (f)