Nonneoplastic Conditions

Adenomatous hyperplasia: solid/cystic mass in testicular hilus and usually an incidental microscopic finding.

Cystic dilation (transformation): due to obstruction of epididymis or intratesticular excretory ducts and also seen after haemodialysis.

Cystic dysplasia: presents as testicular mass in infants and children. Consists of cystic dilation of rete testis with compression/atrophy of seminiferous tubules. It is thought to be a developmental anomaly sometimes associated with ipsilateral renal agenesis.

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