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Fig. 1.
(A) Endoscopic findings. Multiple melanotic nodules were scattered on the mucosal surfaces of lower and mid body of the stomach. (B) Slightly depressed mucosae with a pigmented base were seen in the bulb of the duodenum.
Fig. 2.
Abdominal CT scan with oral and intravenous contrast. Multiple hypodense target-like lesions were scattered throughout the entire liver.
Fig. 3.
(A) Pathologic findings. Malignant melanoma cells infiltrated the lamina propria of the stomach in a nesting fashion (H&E stain, ×400). (B) Pathologic findings. Cells infiltrated in the lamina propria of gastric mucosa showed a stong positive immunohistochemical stains for S-100 protein suggesting a metastatic malignant melanoma (S-100 IHC stain, ×400). (C) Pathologic findings. HMB immunohistochemical stains demonstrated metastatic malignant melanoma cells scattered around the glandular structures of gastric mucosa (HMB-45 IHC stain, ×400).



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