Lung tumor
Other malignancies
Kaposi sarcoma

Author: Deepali Jain, M.D. (see Authors page)

Revised: 3 January 2017, last major update September 2012

Copyright: (c) 2003-2017,, Inc.

PubMed Search: kaposi sarcoma pulmonary
Cite this page: Kaposi sarcoma. website. Accessed October 18th, 2018.
Definition / general
  • Usually associated with AIDS, HHV8 infection; also immunocompromise, organ transplant
  • Diffuse reticulonodular pulmonary infiltrates, solitary lung nodules, or pleural effusions
  • Tumor follows lymphatic channels
  • Detection of HHV8 DNA is highly specific and sensitive for diagnosis of pulmonary Kaposi sarcoma
Case reports
Gross description
  • Discrete dark red hemorrhagic nodules with growth along septa and infiltration of small airways, pulmonary arteries, veins
Microscopic (histologic) images

Images hosted on PathOut server:

Case of the Week #336:

Various images - 42 year old man