急性阴囊肿大通常由睾丸扭转引起,它可分为睾丸扭转(鞘膜内)和精索扭转(鞘膜外)。偶尔,睾丸扭转的体征可以与其它阴囊疾病相似,例如急性附睾炎,急性阴囊脓肿,急性阴囊积水和嵌顿疝。我们报告一例急性阴囊肿大病例,在临床体征及 X 摄片都象睾丸扭转,但外科手术发现为无疝囊的嵌顿疝。 Acute scrotal swelling is usually caused by testicular torsion, which can be divided into testicular torsion (intrathecal) and spermatic cord twisting (extracapsular). Occasionally, signs of testicular torsion may be similar to other scrotal diseases such as acute epididymitis, acute scrotal abscess, acute hydrocele and incarcerated hernia. We report a case of an acute swollen scrotum with signs of testicular torsion in both clinical signs and X-ray, but surgical incarcerated hernia was found surgically.