[A case of chronic huge hematocele].

A case of chronic hematocele with calcification of the tunica vaginalis is reported. A 65-year-old male was referred to our clinic because of painless swelling of left scrotal contents. Examination revealed a heavy hard mass, 18 cm in diameter, in left scrotum, which started to enlarge 5 years earlier. He had a history of having been kicked by a cow about 10 years previously. The scrotum did not transmit light. Ultrasonography demonstrated hematocele with calcified shell. As it was impossible to exclude a testicular tumor completely, we performed high orchiectomy. Upon opening the mass an old hematocele was formed, which contained old brownish black clotted blood and a normal testis. The thick shell of the mass was found to be a calcified tunica vaginalis. Only 2 cases of chronic hematocele have been reported in the Japanese literature.