Testis & epididymis
Cystic dysplasia-testis

Topic Completed: 1 December 2012

Minor changes: 8 September 2020

Copyright: 2002-2020, PathologyOutlines.com, Inc.

PubMed Search: testicular Cystic dysplasia

Sean R. Williamson, M.D.
Page views in 2019: 359
Page views in 2020 to date: 285
Cite this page: Williamson S. Cystic dysplasia-testis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/testiscysticdysplasia.html. Accessed September 30th, 2020.
Definition / general
  • Rare congenital disorder with numerous irregular cystic spaces in mediastinum testis
  • May be due to defect in connection between rete testis / seminiferous tubules and efferent tubules
  • Sometimes associated with renal agenesis or dysplasia (ipsilateral)
Case reports
Clinical images

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Epididymal cyst

Microscopic (histologic) description
  • Cysts lined by flattened to cuboidal epithelium separated by incomplete connective tissue septa; resembles rete testis
Microscopic (histologic) images

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Multiple cystic spaces

Positive stains
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