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Dermatological Manifestations of HIV

Bacillary angiomatosis: biopsy slide

Bacillary angiomatosis (Bartonella) biopsy slide

Description: Biopsy specimen of a patient with bacillary angiomatosis and advanced HIV disease. There is a proliferation of plump vessels in an edematous stroma with significant numbers of polymorphonuclear leukocytes. The granular basophilic material adjacent to the vessels in the center represents aggregates of the bacilli (hematoxylin and eosin stain X400).
Credits: Toby A. Maurer, MD, University of California San Francisco
Timothy G. Berger, MD, University of California San Francisco
See related article in the HIV InSite Knowledge Base:
Dermatologic Manifestations of HIV

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