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: MUSCULOSKELETAL: BONES: JOINTS: Bone: Myelofibrosis Due To Radiation: Gross natural color vertebral column with obvious fibrosis involving four of the bodies but not the remaining one in photo cause of this lesion not proved but almost certainly due to radiation for lung carcinoma and meningeal carcinomatosis