PMC6431401_01
Firm submucosal mass with intact overlying mucosa and a central umbilication.
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fig1
Biopsy of the lesion revealed normal gastric mucosa (Figure 1).
CT scan with IV contrast. Perigastric inflammatory changes are minimal (left arrow). Focal heterogeneous gastric thickening, consistent with residual inflammatory changes (right arrow).
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fig2
Abdominal CT with IV contrast (Figure 2) revealed minimal residual perigastric inflammatory changes (left arrow) and focal, heterogeneous gastric thickening, consistent with residual inflammatory changes (right arrow).
Gastric mucosa with underlying submucosa showing a small area of granulomatous inflammation (black arrows) and muscularis propria containing pancreatic ducts and acini (blue arrows) (H&E, 20x).
CRIGM2019-2021712.003.jpg
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fig3
Histology of the resected specimen revealed ectopic pancreatic tissue, including excretory ducts, acini, and islet cells within the gastric muscularis layer (Figure 3).