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Neurochirurgie. 1996;42(3):147-52.

[Thoracic spondylotic myelopathies. Apropos of 4 new cases].

[Article in French]

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Service de Neurochirurgie (Dr Stecken), CHR d'Orléans.


Four cases of thoracic spondylotic myelopathy are reported, one man and three women, respectively 61, 66, 67 and 76 years old. Clinical presentation was numbness and weakness in the lower limbs in two cases, weakness alone in one and numbness alone in the last one. Diagnosis was settled by both myelography and CT-myelogram in three cases, by both MRI and CT-scan in the other one. The involved thoracic levels were both T9-T10 and T10-T11 for two cases and T11-T12 for the other one. The stenosis was due to hypertrophic ossification of the ligamentum flavum in three cases and to osteophytic changes in one. A laminectomy was performed for each patient and three patients had a significant recovery and the fourth a mild one. Thoracic myelopathy is an uncommon disease which requires a meticulous study of myelogram and now MRI to be recognized and to be cured by laminectomy. As for cervical myelopathy, it results from mechanical and ischemic factors which can lead to a definitive myelomalacia.

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