皮肤恶性黑素瘤胃转移１例孙桂珍，张宗琴，孙亚惠，朱晓琳１临床资料患者男，２８岁。１９８７年４月始发现左颗部有一黄豆大小黑褐色皮损，渐增大隆起，有瘙痒感。因打蓝球多次碰撞后，患处出血、糜烂、破溃经久不愈来我院就诊。查体：左颗部耳前上方２０ｍｍ×１７ｍｍ... One case of malignant melanoma rumen metastasis of the skin Sun Guizhen, Zhang Zongqin, Sun Yahui, Zhu Xiaolin 1 Clinical data Patients Male, 28 years old. In April 1987, it was discovered that there was a soy bean-sized dark brown lesion on the left part of the body, which gradually increased in size and sensation of itching. After many collisions with the basketball, the bleeding, erosion, and ulceration of the affected area persisted in our hospital. Physical examination: 20mm x 17mm above the left ear