EDUCATION > Educational Programs > E-Learning > Pathology for Urologists

Pathology for Urologists

Spermatocele


Image A
(click on the image above)

Image B
(click on the image above)

  • Also known as "acquired epididymal cyst".
  • Consists of dilation of an efferent ductule in the region of rete testis or caput epididymis.
  • Gross: cyst may be unilocular or multilocular.
  • Histology:
    • Cyst inner lining consists of a single layer of cuboidal to flattened epithelial cells which are often ciliated (image A) & (image B).
    • Wall is composed of fibromuscular soft tissue often with chronic inflammation.
    • Cyst fluid contains spermatozoa, which distinguishes a spermatocele from a hydrocele.

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