精巣鞘膜腔内嚢胞の1例

概要

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A case of cysts in the cavum tunica vaginalis testis was reported. A 58-year-old man visited our clinic with the chief complaint of urethral bleeding. Urethro-cystogram revealed stricture of bulbous urethra. We palpated several pea-sized painless masses in the left scrotum. On ultrasonogram of the left scrotal contents several cystic lesions were detected at the cranial side of the left testis. At operation, cysts were found in the cavum tunica vaginalis testis, and were resected along with the tunica vaginalis. Fluid of the cysts was serous without sperm. Histopathologically mesothelial cyst was suspected. The incidence of cysts in the cavum tunica vaginalis testis is rare and only 17 cases have been reported in Japan. We reviewed 9 cases of cysts arising from lamina parietalis of tunica vaginalis.