患者男,36岁。因阵发性头痛、心悸、出汗、排尿后血压升高8年入院。排尿时血压由尿前的150/100上升到220/120,尿后15分钟降至排尿前水平。查体无阳性发现。尿中香草基扁桃酸达89.5～100.8μm/24小时。膀胱镜检查阴性。B 超检查见左上腹腹主动脉外侧有4×2.4cm 椭圆形略低回声区,边界清楚。临床诊断为嗜铬细胞瘤。CT 检查:平扫见双肾上腺形态、大小、密度正常。膀胱壁偏左有(?)3.1×2.8cm 类圆形肿物,边缘光滑,与周 Male patient, 36 years old. Paroxysmal headache, palpitations, sweating, and increased blood pressure after urination were admitted to the hospital for 8 years. The blood pressure during urination increased from 150/100 before urine to 220/120, and decreased to the level before urination 15 minutes after urination. No positive findings were found. The urinary vanillin-based mandelic acid reaches 89.5 to 100.8 μm/24 hours. The cystoscopy was negative. For the B-ultrasound, there was a 4×2.4 cm elliptic slightly hypoechoic zone outside the abdominal aorta of the left upper abdomen with clear boundaries. Clinical diagnosis is pheochromocytoma. CT examination: Plain scans showed normal adrenal morphology, size, and density. The left side of the bladder wall is (3.1) 2.8cm round, with smooth edges and weeks.