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

Author: Monika Roychowdhury, M.D. (see Authors page)

Revised: 18 October 2016, last major update January 2012

Copyright: (c) 2002-2016,, Inc.

PubMed Search: Bowen’s disease [title]

Cite this page: Squamous cell carcinoma in situ / Bowen's disease. website. Accessed December 12th, 2018.
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

Images hosted on PathOut server:

Skin (not necessarily breast); courtesy of Dr. Amy Lynn

Negative stains
Differential diagnosis