Penis & scrotum
Inflammatory
Mucoid cyst
Authors: Alcides Chaux, M.D., Antonio L. Cubilla, M.D.
Last author update: 1 May 2010
Last staff update: 5 March 2021
Copyright: 2002-2024, PathologyOutlines.com, Inc.
PubMed Search: Mucoid cyst penis
Table of Contents
Definition / general | Terminology | Clinical features | Case reports | Treatment | Clinical images | Microscopic (histologic) description | Microscopic (histologic) images | Positive stains | Negative stainsCite this page: Chaux A, Cubilla AL. Mucoid cyst. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/penscrotummucoidcyst.html. Accessed April 24th, 2024.
Definition / general
- Inflammatory lesion due to accessory urethral canals (entrapped urothelium during development) on foreskin or glans, with intraepithelial mucous cells or glands
Terminology
- Also includes some median raphe cysts (uncommon; found from distal penis and scrotum toward the perineum in a midline position; considered a congenital alteration in embryologic development, Urology 2008;71:830)
Clinical features
- Slow growing painless cystic mass
- Often has an incorrect clinical and pathologic diagnosis (J Urol 1976;115:397)
Case reports
- 43 year old man with mucinous median raphe cyst of glans penis (Dermatol Online J 2005;11:37)
Treatment
- Excision is curative
Clinical images
Images hosted on other servers:
Median raphe cysts
Microscopic (histologic) description
- Epithelium is stratified columnar with intraepithelial mucous cells or associated mucous glands
Microscopic (histologic) images
Images hosted on other servers:
Pseudostratified columnar epithelium
Single larger mucinous cell within epithelium
CK7
CK13
CEA
Negative stains
