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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GROSS: CARDIOVASCULAR: AORTA: Dissecting Aneurysm Chronic: Gross natural color external view of heart 63yo hypertensive with an old and recent dissection photo shows opened pericardium patch material about proximal aortic arch