Concomitant gastric carcinoid and gastrointestinal stromal tumors: A case report

Figure 1 EGD endoscopy showing a protruding polypoid mass with superficial reddish striation on the posterior wall of the gastric upper corpus.

Figure 2 Postoperative wedge-shaped gastric tissue demonstrating a 0. 8-cm centrally polypoid mass (A), scanning microscopic view disclosing a crescent ulcerative mass (arrow) involving gastric mucosa and submucosa (B), carcinoid tumor (right half) displaying uniform ovoid cells in chordal and small nestic patterns (hematoxylin and eosin stain, × 200) (C), chromogranin a positively stained tumor cells (IHC staining, × 400) (D), stromal tumor (arrow) within the gastric wall (scanning microscopic view) (E), tumor cells demonstrating whirling and palisading spindle cells interlaced with smooth muscle cells of gastric muscularis propria (hematoxylin and eosin stain, × 200) (F), CD117 (G) and CD34 (H) stained spindle tumor cells.