膀胱横纹肌肉瘤是一种罕见恶性肿瘤。我科1973年12月至1977年9月共收治这种病孩4例,报告如下: 例1,住院号96491,男,5岁,1973年12月8日入院。主诉排尿困难8个月,耻骨上膀胱切开术后伤口漏尿2个月。病孩1973年4月开始有排尿疼痛,发病4个月后小便排出米粒大白色点状物3次,但从无血尿史。同年九月份小便完全排不出来,入当地医院急诊,行耻骨上膀胱切开探查,见膀胱三角处长有白色长型肿物,高出粘膜约0.5厘米,长约3厘米, Bladder rhabdomyosarcoma is a rare malignancy. Our department from December 1973 to September 1977 were treated in 4 cases of this sick child, the report is as follows: Example 1, hospital number 96491, male, 5 years old, December 8, 1973 admission. Chief complaint of dysuria for 8 months, suprapubic cystectomy wound leak urine for 2 months. The patient began to have urination and pain in April 1973. After 4 months of onset, urine discharged from the large white spot of rice 3 times, but never had a history of hematuria. Urine completely discharged in September the same year, into the local hospital emergency, suprapubic bladder incisive exploration, see the bladder trigonometrical white long tumor, about 0.5 cm above the mucosa, about 3 cm long,