胚胎性横纹肌肉瘤常见于小儿,多发生在头颈部,也可发生于泌尿生殖系,本院最近收治1例,报告如下。患儿,男性,5个月。排尿困难2个月,于1989年9月8日入院,查下腹隆,叩实音。B 超提示膀胱各壁均有充盈缺损,考虑为膀胱肿瘤。患儿年幼无法查膀胱镜。膀胱逆行造影,三角区上方有大块密度不均充 Embryonic rhabdomyosarcoma common in children, mostly in the head and neck, can also occur in the genitourinary tract, the hospital recently admitted in 1 case, the report is as follows. Children, men, 5 months. Dysuria 2 months, was admitted to hospital on September 8, 1989, check the belly bulge, tapping real tone. B-Tip bladder walls have filling defects, consider the bladder tumor. Young children can not check cystoscopy. Bladder retrograde angiography, triangular area above the bulk density uneven filling