患者,36岁,未婚,阴茎持续性勃起7d,于2001年5月9日下午入院。发病前一天下午患者在嬉戏时会阴部被别人膝盖猛烈撞击,当时感局部疼痛,24h后发生阴茎不自主勃起。随后数天患者无论在白天工作活动或晚上睡觉时阴茎始终呈半勃起状态,起初阴茎轻度胀感而无其他不适,故未就医。至起病后第7天阴茎勃起逐渐坚挺,并伴有疼痛、排尿困难才来就诊。体检:阴茎呈完全勃起状态,皮肤紫绀,阴茎干肿胀,坐骨海绵体肌僵硬,阴茎头柔软。血常规:红细胞4.32×10~(12)/L,血红蛋白140 g/L,白细胞16.6×10~9/L,嗜中性粒细胞88％,细胞形态无异常。肝肾功能正常。彩色Doppler超声未探及 Patient, 36 years old, unmarried, penile persistent erection 7d, admitted to hospital on the afternoon of May 9, 2001. The day before the onset of the disease, the patient was playing pianism violently hit by others knees, then feeling local pain, penile involuntary erection after 24 hours. In the following days, the penis remained semi-erect regardless of during work activities during the day or at night. At first, the penis had mild distension and no other discomfort, so the doctor did not seek medical treatment. On the 7th day after the onset of penile erection gradually firm, and accompanied by pain, dysuria came to treatment. Physical examination: the penis was completely erect state, the skin cyanosis, swollen penis, ischial sponge muscle stiffness, the penis head soft. Blood: RBC 4.32 × 10-12 / L, hemoglobin 140 g / L, white blood cells 16.6 × 10 ~ 9 / L, neutrophils 88%, cell morphology was normal. Liver and kidney function is normal. Color Doppler ultrasound was not explored