例1　男,70岁。阴茎头痒痛肿大2年,表面溃破,流血性恶臭分泌物,无排尿困难。检查:一般情况良好,双侧腹股沟淋巴结不肿大。阴茎头肿大,表面呈黑灰色坏死伴出血,分泌物有臭味。拟诊为阴茎癌。行阴茎部分切除术。随访半年无复发。病理检查诊断为阴茎头恶性黑色素瘤。1解放军第322 Example 1 Male, 70 years old. The penis head was itchy and swollen for 2 years. The surface was ulcerated, bloody odor secretions, and no dysuria. Examination: Generally good, bilateral inguinal lymph nodes are not enlarged. The head of the penis is swollen, with dark gray necrosis on the surface and bleeding. The secretions have an odor. It is diagnosed as penile cancer. Partial penectomy. Follow-up for six months without recurrence. Pathological examination was diagnosed as penile head malignant melanoma. 1 People’s Liberation Army 322