Lung - nontumor
Infections
Bacillary angiomatosis



Topic Completed: 1 September 2011

Revised: 29 January 2019, last major update September 2011

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

PubMed search: bacillary angiomatosis [title]


Elliot Weisenberg, M.D.
Page views in 2018: 164
Page views in 2019 to date: 84
Cite this page: Weisenberg E. Bacillary angiomatosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/lungnontumorbacillaryangio.html. Accessed July 18th, 2019.
Clinical features
  • Mainly occurs in immunodeficient patients, especially in AIDS, but also with transplantation and chemotherapy
  • Caused by Bartonella henselae, B. quintana
  • Pseudoneoplastic vascular proliferation affecting skin, soft tissue, lungs, bronchi, and other sites; known as peliosis in the liver and spleen
  • See also Lymph nodes - not lymphoma chapter
Case reports
Treatment
  • Erythromycin, other macrolides or doxycycline are very effective
Microscopic (histologic) description
  • Vascular proliferation with neutrophils and mononuclear cells with smudgy basophilic material representing bacteria
  • Prominent endothelial cells with nuclear atypia and mitotic figures
Positive stains
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