PEIR Digital Library

Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.

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HISTOLOGY: MICROBIOLOGY: TONGUE: Oral manifestations of HIV infection and AIDS. Biopsy of hairy leukoplakia lesion.; Note there is no evidence of purplish hyphe, indicative of candida. Glycogen is evident as red-blue stain. Contributed by Sol Silverman, Jr., D.D.S., University of California, San Francisco for the Centers for Disease Control. L-235: 05