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: HEART: Rheumatoid Mitral Valvulitis: Gross fixed tissue but color is correct excised valve with section removed photographed close-up shows thickening from mid-portion to free margin man had history of ankylosing spondylitis with mitral and aortic valve insufficiency 65yo