男性尿道原发恶性黑色素瘤一例

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患者,19岁.12岁(1986年)时偶然发现阴茎中份有黄豆大小硬节,无痛,排尿正常.1989年5月出现肉眼血尿.1990年5月开始感排尿不畅.1990年7月第一次入院.体检见阴茎外观无异常,皮肤无色素沉着.阴茎中份腹侧可触及黄豆大小硬节,轻压可见尿道口有少许血液溢出.阴茎口血液涂片及全身检查均无异常发现.同年8月在连续硬麻下作阴茎包块局部切除术.术中见肿块是黑褐色,由尿道穿破来而累及海绵体.切除受累尿道和海绵体,并作人工尿道下裂.病理报告为尿道恶性黑色素瘤.术后患者血尿消失,无任何症状,1993年3月入院复查,阴茎无异常发现;右侧腹股沟可触及增大的淋巴 Patient, 19 years old, 12 years old (1986), accidentally found that the penis had soy beans in the size of the hard section, painless, normal urination. May 1989 gross hematuria. In May 1990 began to feel dysuria. 1990 7 The first time a month was admitted to the hospital. Physical examination showed no abnormal appearance of the penis, and the skin was not pigmented. The ventral side of the penis could reach the hard part of the soybeans. There was a slight blood overflow of the urethra at the slight pressure. The penis blood smear and the whole body were not examined. Abnormal findings. In the same year in August of the same period under the continuous anesthesia for penis mass local resection. The operation saw the tumor is dark brown, puncture from the urethra and involved the cavernous body. Resection of the affected urethra and cavernous body, and artificial hypospadias The pathology report was malignant melanoma of the urethra. Postoperative hematuria disappeared without any symptoms. In March 1993, she was admitted to hospital for review. There was no abnormality in the penis; the right groin could touch the enlarged lymph node.
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