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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MONTAGE: JOINT: Course of Rheumatoid Arthritis, Clinical and radiographic progression -- ADVANCED STAGE, PROXIMAL INTERPHALANGEAL JOINTS; left image-clinical; right image-radiograph -- CLINICAL-The PIP joints may suffer rupture of the central slip of the extensor digitorum tendon. When this rupture occurs, little impedes the dorsal migration of the joint through the lateral (PLAIN FILM)