[Cyst of the tunica albuginea testis: a case report].

The patient is a 75-year-old male presenting with a chief complaint of a left painless intrascrotal mass. The left testis was tense to palpation with induration inside. Ultrasonography demonstrated a 3.0 x 1.5 cm cystic space along the margin of the left testis. Left high orchiectomy was performed. Histopathological diagnosis was tunica albuginea cyst. Important differential diagnosis includes a simple testicular cyst and epidermoid cyst of the testis.