Penis and scrotum
Inflammatory lesions
Plasma cell balanitis


Topic Completed: 1 February 2010

Revised: 13 February 2019

Copyright: 2002-2019, PathologyOutlines.com, Inc.

PubMed Search: Plasma cell balanitis penis
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Cite this page: Chaux A, Cubilla AL. Plasma cell balanitis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/penscrotumplasmacellbalanitis.html. Accessed May 21st, 2019.
Definition / general
Terminology
  • Also known as balanitis circumscripta plasmacellularis, Zoon balanitis
  • Balanitis: inflammation of glans
Epidemiology
  • Middle aged and elderly uncircumcised men
Etiology
  • Etiology unknown but probably reactive
Clinical features
  • Disease tends to be chronic and may persist for months to years
  • Solitary or rarely multiple brown-red plaques located in glans or inner foreskin
  • Surface is shiny, slightly moist and stippled with minute red specks
  • May simulate erythroplasia of Queyrat / Bowen disease
Case reports
Treatment
Clinical images

AFIP images

Glans mucosa is extensively involved by erythematous lesion resembling erythroplasia of Queyrat

Microscopic (histologic) description
  • Epidermal atrophy, band-like infiltrate of plasma cells in dermis, hemosiderin pigment laden macrophages (siderophages), edema and numerous capillaries
  • Epithelium may show mild reactive changes which can simulate penile intraepithelial neoplasia
  • Rarely plasma cells are scant / absent
Microscopic (histologic) images

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