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Images in Neurology
November 2013

Intradural, Extramedullary Anaplastic Astrocytoma Arising From the First Sacral Nerve Root

Author Affiliations
  • 1Department of Neurosurgery, Community Hospital Herdecke, Herdecke, Germany
  • 2now with the Department of Neurosurgery, Klinikum Solingen, Solingen, Germany
  • 3Department of Neuroradiology, Community Hospital Herdecke, Herdecke, Germany
  • 4Department of Neuropathology, Heinrich Heine University Duesseldorf, Duesseldorf, Germany

Copyright 2013 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.

JAMA Neurol. 2013;70(11):1450-1451. doi:10.1001/2013.jamaneurol.368

A 48-year-old woman presented with a 6-month history of lumbosacral pain with sciatic distribution and paresthesia in the left S1 dermatome. She showed no motor weakness or bladder or rectal dysfunction. The preoperative magnetic resonance image (MRI) of the lumbar spine showed an intradural, extramedullary cystic mass extending along the left S1 nerve root through the intervertebral foramen (Figure 1). The patient underwent microscope-assisted neurosurgical tumor resection via a lumbar posterior approach. Intraoperatively, the tumor was regarded as a peripheral nerve sheath tumor.

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