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: CARDIOVASCULAR: AORTA: Rheumatoid Aortitis: Micro low mag trichrome 65yo man with ankylosing spondylitis and mitral and aortic insufficiency this slides shows moderate mid mural fibrosis in the aorta which probably is associated with age an elastic stain in this file shows focal loss