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Intraneural neurothekeoma: case report

B K Kleinschmidt-DeMasters1, K O Lillehei

  • 1Department of Pathology, University of Colorado Health Sciences Center, Denver, USA.

Neurosurgery
|August 1, 1995
PubMed
Summary

Neurothekeomas are rare nerve tumors. This study documents a neurothekeoma arising from the tibial nerve, suggesting it may be a variant of a schwannoma.

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Area of Science:

  • Neuropathology
  • Oncology
  • Peripheral Nerve Disorders

Background:

  • Neurothekeomas are uncommon benign skin tumors with unique histology.
  • Their origin from medium- or large-caliber peripheral nerves is rarely documented.

Observation:

  • This report details a neurothekeoma originating from the left posterior tibial nerve.
  • The tumor exhibited characteristic gross histological features.

Findings:

  • Strong S-100 immunostaining was observed in most of the tumor.
  • These findings support the classification of this neurothekeoma as a schwannoma variant.

Implications:

  • This case expands the understanding of neurothekeoma origins.
  • It highlights the importance of S-100 staining in differentiating nerve sheath tumors.
  • Further research may clarify the relationship between neurothekeomas and schwannomas.

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