患者,男性,25岁。发现下腹部一肿块月余伴疼痛一周来院检查。体检下腹部触及一包块,质地硬,活动度差,伴有轻度压痛。腹股沟淋巴结不肿大。使用SAL—38AS型日本东芝B超机,探头频率为4MHz的线阵探头。在膀胱适度充盈的情况下探查腹部,于下腹部膀胱后上方发现一个78mm×80mm×119mm的椭圆形实性肿块。肿块边缘光滑清楚,内呈中等回声,尚均匀,内可见不规则低回声区,未见盆腔淋巴结肿大,追问病史, Patient, male, 25 years old. A lumps in the lower abdomen were found in the hospital for a week with pain. The lower abdomen of the physical examination touched a mass, hard texture, poor activity, accompanied by mild tenderness. Inguinal lymph nodes are not swollen. Using a SAL-38AS Japan Toshiba B ultrasound machine, the probe frequency is 4MHz linear array probe. The abdomen was probed with moderate filling of the bladder and an oval solid mass of 78 mm x 80 mm x 119 mm was found above the lower abdomen. The edges of the masses were smooth and clear, and the internal echoes were even, with irregular low echo areas. There was no pelvic lymphadenopathy.