What term describes a cyst of the epididymal head that contains sperm?

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What term describes a cyst of the epididymal head that contains sperm?

A spermatocele is a cystic dilation arising from the epididymal head that contains sperm. The epididymis stores and transports sperm, so when a duct within the head dilates and traps sperm, a cyst forms that is filled with sperm-containing fluid. Clinically it’s typically a painless, movable scrotal lump that often transilluminates, distinguishing it from fluid-only lesions. This helps differentiate it from a hydrocele, which is a fluid collection around the testicle rather than within the epididymal ducts; from an epididymal cyst, which contains clear non-sperm fluid; and from a varicocele, which is a venous dilation in the pampiniform plexus and feels like a soft, bag-of-worms mass.

A spermatocele is a cystic dilation arising from the epididymal head that contains sperm. The epididymis stores and transports sperm, so when a duct within the head dilates and traps sperm, a cyst forms that is filled with sperm-containing fluid. Clinically it’s typically a painless, movable scrotal lump that often transilluminates, distinguishing it from fluid-only lesions.

This helps differentiate it from a hydrocele, which is a fluid collection around the testicle rather than within the epididymal ducts; from an epididymal cyst, which contains clear non-sperm fluid; and from a varicocele, which is a venous dilation in the pampiniform plexus and feels like a soft, bag-of-worms mass.

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