Abstract
Introduction: Cavernomas are benign vascular anomalies consisting of cavities where the blood circulates at low flow and at low pressure. Intramedullary localization is unusual, represents approximately 5 to 12% of spinal vascular malformations and 3% of intra-dural vascular malformations (5% of medullary vascular lesions). Observation: A patient, aged 59, consulted for the abrupt installation of moderate back pain followed by predominant muscle weakness in the two lower limb of progressive worsening, responsible for gait disorders. The patient reported thermal hypoesthesia and heaviness of the two lower limbs that had been evolving for two years. The examination found a dorsal spinal cord compression syndrome. On the MRI, there were abnormalities of intramedullary signal of the dorsal (D11) spinal cord with bleeding stigmas suggestive of intramedullary cavernomas. Conclusion: The management of the medullary cavernoma is essentially neurosurgical with complete microsurgical resection of the malformation. In the absence of surgical treatment, evolution can be to chronic myelopathy or neurological aggravation.
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