Oral cavity
Other malignancies
Kaposi sarcoma

Author: Nat Pernick, M.D. (see Authors page)

Revised: 30 April 2018, last major update November 2013

Copyright: (c) 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: Kaposi sarcoma oral cavity[mh]

Cite this page: Pernick, N. Kaposi sarcoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/oralcavityks.html. Accessed October 19th, 2018.
Definition / general
  • Associated with HIV
  • Oral lesion may be first sign of disease
  • Usually palate
Case reports
Gross description
  • Small, well delineated macular lesions or larger infiltrative nodules
Microscopic (histologic) description
  • Diffuse infiltration by irregularly dilated, jagged vascular channels dissecting collagen, growing around preexisting normal vessels
  • Newly formed vascular channels may be dilated; endothelium is flat, nonmultilayered, no marked atypia and no prominent mitotic activity
  • Frequent lymphoplasmacytic infiltrate with inflammatory cells aggregating around vessels
Microscopic (histologic) images

Images hosted on other servers:

Tongue mass, H&E, CD31 and HHV8 DNA in tumor

Negative stains
Differential diagnosis