Testis & paratestis

Nonneoplastic lesions

Cysts



Last author update: 1 May 2010
Last staff update: 28 November 2022 (update in progress)

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PubMed Search: Tunica albuginea cysts

Alcides Chaux, M.D.
Antonio L. Cubilla, M.D.
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Cite this page: Chaux A, Cubilla AL. Cysts. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/testiscysts.html. Accessed December 10th, 2022.
Definition / general
  • Epidermoid cysts, mesothelial cysts, cysts of tunica albuginea, rete testis, efferent ducts or testicular parenchyma have been described
  • Benign cystic lesions that may be confused with testicular tumors
  • Epithelium is cuboidal to columnar, variable cilia
  • Tunica albuginea cysts, described in the rest of this topic, are probably of mesothelial origin (Arch Pathol Lab Med 1989;113:902)
Sites
  • Anterior and lateral aspect of the testis
Etiology
Clinical features
  • Tumor or painful swelling
  • Incidental finding in some cases
Case reports
Gross description
  • Cystic lesions with clear fluid
  • Connected to the tunica albuginea
Gross images

AFIP images

Cyst of tunica albuginea



Images hosted on other servers:

61 year old man

Microscopic (histologic) description
  • Cysts lined by low cuboidal or columnar cells, may be ciliated
  • Gland-like structures in fibrous walls and tunica albuginea
  • May contain psammoma bodies (Int J Urol 2001;8:520)
Microscopic (histologic) images

AFIP images

Cyst of tunica albuginea



Images hosted on other servers:

Microscopic findings

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