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  • Title: Expansile, enhancing cervical cord lesion with an associated syrinx secondary to demyelination. Case report and review of the literature.
    Author: Waziri A, Vonsattel JP, Kaiser MG, Anderson RC.
    Journal: J Neurosurg Spine; 2007 Jan; 6(1):52-6. PubMed ID: 17233291.
    Abstract:
    The authors describe the case of a patient with an enhancing, intramedullary cervical spinal cord lesion and associated syrinx. Biopsy sampling of the cervical lesion was performed, and the histological findings were consistent with a demyelinating process supporting the diagnosis of multiple sclerosis (MS). Syrinx formation associated with demyelinating disease has only been described in isolated cases, almost exclusively in Japanese patients with MS. A 22-year-old woman of Caribbean descent presented with a subacute, progressive myelopathy including symptoms of pain and weakness in all extremities, bladder incontinence, and the inability to ambulate. Magnetic resonance imaging of the brain and spinal cord demonstrated an enlarged cervical cord with enhancement and central cavitation consistent with a syrinx. The patient underwent a C3-7 laminoplasty and placement of a dural graft for cord decompression as well as fenestration of the central syrinx. Biopsy sampling of the lesion was performed, and the histopathological analysis, in conjunction with subsequent laboratory and diagnostic testing, supported the diagnosis of demyelinating disease. After treatment with a course of high-dose dexamethasone and inpatient rehabilitation therapy, the patient demonstrated significant clinical improvement. Spinal cord involvement is not uncommon in patients with demyelinating disease; however, enhancing lesions associated with extensive tissue loss and syrinx formation have rarely been reported. For the consulting neurological surgeon, demyelinating disease should be included in the differential diagnosis of such lesions given the level of complexity and risk to the patient associated with open biopsy of the spinal cord.
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