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Peripheral Nerve Sheath Tumors.

Ashley M Cimino-Mathews1

  • 1Department of Pathology, The Johns Hopkins Hospital, Weinberg 2242, 401 North Broadway, Baltimore, MD 21231-2410, USA.

Surgical Pathology Clinics
|February 4, 2016
PubMed
Summary

This article overviews benign and malignant nerve sheath tumors, detailing diagnostic categories like schwannoma and neurofibroma. It highlights key histologic patterns and immunohistochemistry for accurate differential diagnoses in pathology.

Area of Science:

  • Surgical pathology
  • Oncology
  • Neuropathology

Background:

  • Nerve sheath tumors encompass a spectrum of benign and malignant neoplasms.
  • Accurate diagnosis is crucial for patient management and prognosis.
  • Distinguishing between various subtypes requires a thorough understanding of their distinct features.

Purpose of the Study:

  • To provide a comprehensive overview of the diagnostic categories of nerve sheath tumors.
  • To emphasize key histologic patterns and ancillary studies for accurate classification.
  • To aid practicing pathologists in differentiating benign from malignant nerve sheath tumors.

Main Methods:

  • Review of established diagnostic criteria for nerve sheath tumors.
  • Emphasis on characteristic histologic patterns.

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  • Discussion of ancillary studies, including immunohistochemistry, for differential diagnosis.

    • Main Results:

    • Detailed description of diagnostic categories: neuroma, neurofibroma, nerve sheath myxoma, perineurioma, schwannoma, and malignant peripheral nerve sheath tumor.
    • Highlighting of distinguishing histologic features for each entity.
    • Guidance on utilizing immunohistochemistry to support diagnoses and rule out mimics.

    Conclusions:

    • Accurate histologic evaluation and judicious use of ancillary studies are essential for diagnosing nerve sheath tumors.
    • This overview serves as a valuable resource for pathologists in both community and academic settings.
    • Improved diagnostic accuracy impacts patient care and therapeutic strategies for nerve sheath tumors.