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: ENDOCRINE: Pituitary: Malignant Adenoma: Gross fixed tissue coronal section of cerebral hemispheres with large hemorrhagic mass in position of pituitary gland and hemorrhage or invasion into third ventricle