Arthropathies and inflammatory conditions of the elbow.

MR imaging of arthropathies and inflammatory conditions affecting the elbow are presented. Noninfectious conditions discussed include osteoarthritis, disorders characterized by synovial proliferation, pigmented villo- nodular synovitis, synovial osteochondromatosis, crystal deposition disorders, and neuropathic osteoarthropathy. Infectious conditions discussed include septic olecranon bursitis, septic arthritis, osteomyelitis, and pyomyositis. Clinical aspects of these entities are discussed, including utility of MR imaging for diagnosis and clinical management.