Anus & perianal area
Basal cell carcinoma

Topic Completed: 1 November 2014

Minor changes: 16 November 2020

Copyright: 2002-2021,, Inc.

PubMed Search: Basal cell carcinoma [title] anus

Raul S. Gonzalez, M.D.
Page views in 2020: 1,753
Page views in 2021 to date: 104
Cite this page: Gonzalez RS. Basal cell carcinoma. website. Accessed January 22nd, 2021.
Definition / general
  • Anus
  • Appears to behave similarly to basal cell carcinoma at other locations
Clinical features
  • Biopsy
Case reports
  • Wide local excision with negative margins
Clinical images

Images hosted on other servers:

Perianal basal cell carcinoma

Gross description
  • Indurated, ulcerated lesion with irregular borders
Microscopic (histologic) description
  • Resembles basal cell carcinoma at other sites (see Skin nonmelanocytic chapter)
  • Retraction artifact helps distinguish from basaloid squamous cell carcinoma
Microscopic (histologic) images

Images hosted on other servers:

Cell clusters

Positive stains
Negative stains
Flow cytometry description
Differential diagnosis
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