患儿,女性,8岁,因尿频2个月、下腹部肿块增大3个月于1987年8月13日入院。体检:下腹部膀胱区偏左可触及16×14cm大小,质地中等,高低不平,无压痛的肿决,肿块上部活动度小,近耻骨处较固定,腹股沟区淋巴结不肿大,尿常规、血常规、肝肾功能检查均在正常范围内,B超提示:下腹部实质性肿块,来源于膀胱,于1987年8月18日行腹部探查术,术中见肿块位于膀胱左侧顶部及膀胱前壁,约17×15×10cm大小,表 Children and adolescents, 8 years old, were admitted for hospitalization on August 13, 1987, due to frequent urination for 2 months and an increase in the lower abdominal mass for 3 months. Physical examination: the lower abdomen bladder area may touch the left side of the size of 16 × 14cm, medium texture, uneven, tenderness without swelling, the upper part of the tumor activity is small, near the pubic bone at fixed, inguinal lymph nodes is not enlarged, urinary routine, blood Conventional, liver and kidney function tests are within the normal range, B-ultrasound Tip: the lower abdomen substantive mass, derived from the bladder, in August 18, 1987 underwent abdominal exploration, surgery, see the tumor at the top of the left bladder and bladder Wall, about 17 × 15 × 10cm size, table