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Neurilemoma - Sacrum - MRI
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Neurilemoma - Sacrum - MRI
  • Case ID: 318
  • Diagnosis: Neurilemoma
  • Category: Soft Tissue Tumors
  • Category Type: Nerve sheath tumor
  • Category Sub Type: Benign
  • Location: Sacrum
  • Age: 36
  • Sex: M
  • Treatment: Resection
  • Image ID: 2298
  • Image Type: MRI
  • Images relating to this case: 2293 , 2294 , 2295 , 2296 , 2297 , 2298.

IMAGE DESCRIPTION:
Coronal T1-weighted MRI shows a large, low signal lesion lying within the upper third of the sacrum, arising in the right first sacral nerve root foramen, suggesting a benign nerve sheath tumor. In this case, the patient was treated by a sacral laminectomy approach to the tumor. The tumor was relatively easy to shell out from a posterior approach through a very large defect in the anterior sacral cortex where the tumor protruded into the retroperitoneal space of the pelvis. The entire S1 root was removed with the tumor and histologically it turned out to be a benign neurolemoma. The patient had minimal postoperative neurological deficiency following this procedure and was able to walk normally with excellent push-off strength in his foot and ankle.

 

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