Lumbar posterior marginal intra-osseous cartilaginous node |
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Authors: | Jean-Denis Laredo M.D. Michel Bard M.D. Jean Chretien M.D. Marcel-Francis Kahn M.D. |
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Affiliation: | (1) Department of Rheumatology, Hôpital Bichat, Paris, France;(2) Department of Bone and Joint Radiology, Hopital Lariboisiere, 2 rue Ambroise Paré, F-75010 Paris, France |
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Abstract: | This report concerns 12 patients, eight young adults and four adolescents, presenting with lumbar or sciatic pain. This was associated with an unusual defect of the inferior and posterior edges of the vertebral bodies of L4 or L5, together with a small bony ridge protruding into the spinal canal. We found 11 similar cases in the literature all involving adolescents except for one young adult.It has been considered to be the result of a fracture of the posterior ring apophysis in association with a herniated disc. In our cases, in the absence of any known previous trauma, the radiological features and surgical results and the similarity and frequent association with typical lesions of Scheuermann disease, all suggest a posterior marginal cartilaginous node. The inferior lumbar location and frequent association with herniated disc and sciatic nerve root compression in young patients are discussed. |
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Keywords: | Spine, intervertebral discs Scheuermann disease Spine, computed tomography |
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