The spine journal : official journal of the North American Spine Society · 2016
Circumferential intradural meningioma of the thoracic spinal cord.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Foster Mitchell, Soh Calvin, DuPlessis Daniel, Karabatsou Konstantina
Аннотация
BACKGROUND AND CONTEXT: There are very few reported cases of a meningioma circumferentially surrounding the spinal cord. To date, this entity has only been described at the conus medullaris and in the cervical cord. Herewith, the authors describe a case of an intradural extramedullary meningioma that completely encircled the thoracic spinal cord.
CASE REPORT: A 40-year-old woman with progressive numbness of the lower limbs and spasticity of gait following a fall presented to our hospital. Magnetic resonance imaging of the spine demonstrated an abnormality at T6-T7 completely encircling the spinal cord. The patient underwent a T6-T8 laminectomy and subtotal resection of the intradural partially calcified lesion. Resection of the anterolateral portion was not feasible. Histology revealed psammomatous meningioma (WHO Grade 1). The patient recovered well and was discharged with improved gait but some residual numbness of her feet and right hemithorax.
CONCLUSION: This is the first reported case of an intradural extramedullary meningioma completely encircling the thoracic spinal cord. Achieving complete resection of this circumferential meningioma was not possible via a posterior approach. The optimum management of this condition is unknown; clearly, achieving symptomatic relief with adequate cord decompression is paramount; however, the long-term outcome and risk of recurrence in these cases, given their rarity and the difficulties in achieving complete resection, is unknown.
CASE REPORT: A 40-year-old woman with progressive numbness of the lower limbs and spasticity of gait following a fall presented to our hospital. Magnetic resonance imaging of the spine demonstrated an abnormality at T6-T7 completely encircling the spinal cord. The patient underwent a T6-T8 laminectomy and subtotal resection of the intradural partially calcified lesion. Resection of the anterolateral portion was not feasible. Histology revealed psammomatous meningioma (WHO Grade 1). The patient recovered well and was discharged with improved gait but some residual numbness of her feet and right hemithorax.
CONCLUSION: This is the first reported case of an intradural extramedullary meningioma completely encircling the thoracic spinal cord. Achieving complete resection of this circumferential meningioma was not possible via a posterior approach. The optimum management of this condition is unknown; clearly, achieving symptomatic relief with adequate cord decompression is paramount; however, the long-term outcome and risk of recurrence in these cases, given their rarity and the difficulties in achieving complete resection, is unknown.