Breast malignant, males, children
In situ carcinoma
Squamous cell carcinoma in situ / Bowen disease

Topic Completed: 1 January 2012

Revised: 11 April 2019

Revised: 21 January 2019

Copyright: (c) 2002-2019,, Inc.

PubMed Search: Bowen disease [title]

Monika Roychowdhury, M.D.
Page views in 2018: 1,260
Page views in 2019 to date: 946
Cite this page: Roychowdhury M Squamous cell carcinoma in situ / Bowen disease. website. Accessed August 24th, 2019.
Definition / general
Case reports
  • Nipple tumor: wide local excision, possibly phototherapy (Breast 2005;14:65)
  • Breast parenchyma tumor: standard treatment for DCIS (excision, possible radiotherapy)
Microscopic (histologic) description
  • Obvious squamous features with diffuse atypia
  • May be extensive, but no dermal or myoepithelial invasion
Microscopic (histologic) images

Contributed by Dr. Amy Lynn

Skin (not necessarily breast)

Negative stains
Differential diagnosis
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