Epidermoid cyst of the testis

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Epidermoid cyst of the testis is a rare benign lesion of the testis. It is important to differentiate it from a testicular teratoma.

General

  • Rare.
  • Benign.

Gross

Features:[1]

  • Unilocular cyst containing keratineous material with a laminated appearance.

Notes:

  • Teratomas are usually multilocular.
  • Presence of hair suggests a dermoid cyst.

Microscopic

Features:[1]

DDx:

See also

References

  1. 1.0 1.1 Ye, H.; Ulbright, TM. (Apr 2012). "Difficult differential diagnoses in testicular pathology.". Arch Pathol Lab Med 136 (4): 435-46. doi:10.5858/arpa.2011-0475-RA. PMID 22458906.