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Lung tumor

Other malignancies

Kaposi sarcoma

Reviewer: Deepali Jain, M.D. (see Reviewers page)
Revised: 10 March 2016, last major update September 2012
Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.


● 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

● 42 year old HIV+ man with chronic coughing and congestion, lung biopsy (Case of the Week #336)

Gross description

● Discrete dark red hemorrhagic nodules with growth along septa and infiltration of small airways, pulmonary arteries, veins

Micro images

Case of the Week #336:

Various images - 42 year old man

End of Lung tumor > Other malignancies > Kaposi sarcoma

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