双侧腹腔隐睾伴精原细胞瘤少见,现将本院所见1例报道如下。患者,男性,42岁。已婚无子女。3年前无意中发现下腹部有一核桃大小肿块,渐增大伴下腹部坠胀感,以活动后及站立明显。近半年来肿块增大明显伴体重减轻。无腹痛、腹泻等症状。1991年10月30日以腹部包块性质待查入院。体检:发育欠佳,消瘦。下腹部可触及20cm×15cm×8cm及 Bilateral cryptorchidism with seminoma rare, we now see a hospital reported the following. Patient, male, 42 years old. Married without children. 3 years ago inadvertently found in the lower abdomen has a walnut-sized lumps, increased abdominal distension with a sense of inferior to the activity and standing significantly. In the past six months, the mass increased significantly with weight loss. No abdominal pain, diarrhea and other symptoms. October 30, 1991 to the nature of abdominal mass to be admitted to hospital. Physical examination: poor development, weight loss. The lower abdomen can reach 20cm × 15cm × 8cm and