Malignant melanomas are common metastatic lesions in the gastrointestinal tract. There are some descriptions for endoscopic findings but few reports on the endoscopic ultrasonographic findings of metastatic malignant melanomas in the stomach. A 67-year-old woman was admitted due to indigestion persisting for 1 month. She had a 3×4 cm sized black pigmented skin lesion on her left foot. An abdominal ultrasonography and CT scan revealed multiple variable sized round lesions in the liver, suggesting metastatic lesions. An endoscopy revealed multiple, elevated lesions with central ulcerations and a star shaped black pigmentation around the ulcer mound on the antrum of the stomach, as well as huge ulcers with black pigmented bases on the upper body. An endoscopic ultrasonography determined that the depths of the elevated lesions on the antrum were 1imited to the mucosal layer and that huge ulcers on the upper body were invading the serosa simultaneously. The skin lesion was diagnosed as a malignant melanoma and the stomach lesion were also confirmed to be metastatic malignant melanomas. The case of malignant melanomas that metastased to the stomach and had unusual endoscopic ultrasonographic findings is herein reported. (Korean J Gastrointest Endose 2000;20:472 476)
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