Thoracolumbar intramedullary subependymoma with multiple cystic formation: a case report and review.

European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
Motoyuki IwasakiKiyohiro Houkin

Abstract

An intramedullary subependymoma is rare, particularly in the thoracolumbar region. Moreover, a radiographical obvious cystic formation of subependymoma of spinal cord rarely occurs in comparison to ependymoma. A 57-year-old woman presented with paraparesis. MRI revealed a multinodular and multicystic lesion in the spinal cord that was difficult to diagnose correctly. Intraoperative observation via midline myelotomy revealed a grayish, gelatinous solid mass with an eccentric localization. In addition, DREZtomy on the caudal side of the tumor revealed cystic formation. The cyst was punctured and xanthochromic fluid was collected. Attenuation of motor evoked potential (MEP) resulted in the partial removal of tumor. A pathological examination revealed the mass to be a subependymoma. The patient experienced transient worsening of symptoms, but improved gradually. No adjuvant radiosurgery was administered. Follow-up estimation 30 months after surgery revealed no evidences of regrowth. This report presents this rare case, a review of the literature associated with thoracolumbar subependymomas, and a discussion of the clinical and radiographical characteristics.

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Citations

Jan 21, 2014·Neurology India·Sivashanmugam DhandapaniSameer Vyas
May 21, 2014·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Zhiwei WuMasaya Nakamura
Mar 12, 2019·Neuropathology : Official Journal of the Japanese Society of Neuropathology·Anthony L MikulaAditya Raghunathan
Sep 26, 2013·Journal of Neuro-oncology·Liang WuYulun Xu
Jun 29, 2014·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Christoph SchwartzKarsten Schöller
Jun 20, 2019·Neurosurgical Review·Hamzah A SoleimanAndreas K Demetriades

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