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: ORAL: Larynx: Aspirated Blood Clot: Gross natural color tongue and unopened esophagus occluded by blood clot long standing case of myeloproliferative disorder (polycythemia rubra vera) with terminal acute transformation and bleeding disorder