骶骨恶性巨大黑色素瘤１例报告周银刘晓平李光业＊患者刘金环，女，２６岁，于１９９０年４月１１日住院。主诉于１９８５年６月出现排便困难，尿失禁，至１９８６年６月发现下腹部有一拳头大包块，不痛。此后肿块渐增大，占据整个下腹部，腰骶部明显隆起，压痛，并伴左下... A report of one malignant malignant melanoma of the sacrum Zhou Xing Liu Xiaoping Li Guangye* Patient Liu Jinhuan, female, 26 years old, was hospitalized on April 11, 1990. He complained of difficulty in defecation and urinary incontinence in June 1985. By June 1986, he found that there was a fist mass in the lower abdomen, which was not painful. After that, the tumor gradually enlarges and occupies the entire lower abdomen. The lumbosacral region is obviously uplifted, tender, and accompanied by a lower left ...