![]() can have interdigitating areas of protruding disc material in the flowing ossifications.ankylosis is more common in the thoracic than cervical or lumbar spine.flowing ossifications: florid, flowing ossification along the anterior or right 7 anterolateral aspects of at least four contiguous vertebrae.Radiographic features Plain radiograph and CT Spinal features Additionally, enthesopathy may be identified in the pelvis and extremities. The cervical and thoracic (particularly T7-11 5) spines, in particular, are affected. periosteal new bone formation on the anterior surface of the vertebral bodies.chronic inflammatory cellular infiltration.anterolateral extensions of fibrous tissue.degeneration of the peripheral annulus fibrosus fibers.paraspinal connective tissue and annulus fibrosus.focal and diffuse calcification and ossification of the anterior longitudinal ligament.Histopathological features of spinal DISH include 5: However, spine stiffness and decreased mobility are referred to as possible symptoms. The condition is commonly identified as an incidental finding when imaging for other reasons. approximately one-third of patients test positive for HLA-B27.ossification of the posterior longitudinal ligament, which may be a cause of spinal stenosis.The estimated frequency in the elderly is ~10% 6, with a male predominance. DISH most commonly affects the elderly, especially 6 th to 7 th decades 3. ![]()
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