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Glandular peripheral nerve sheath tumours

P Robbins1, J Papadimitriou

  • 1Department of Pathology, University of Western Australia, Nedlands.

Pathology, Research and Practice
|April 1, 1994
PubMed
Summary

Glandular peripheral nerve sheath neoplasms are rare tumors. Their behavior depends on the spindle cell stroma, not glandular features, and they require differentiation from other soft tissue tumors.

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Area of Science:

  • Oncology
  • Pathology
  • Genetics

Background:

  • Glandular differentiation in peripheral nerve sheath neoplasms is a rare form of heterologous differentiation.
  • These tumors, termed glandular peripheral nerve sheath neoplasms, are the focus of this review.
  • While often associated with von Recklinghausen's disease and malignancy, benign and sporadic forms exist.

Purpose of the Study:

  • To review glandular peripheral nerve sheath neoplasms.
  • To discuss their characteristics, diagnosis, and prognosis.
  • To clarify their histogenic origins and differentiation from other tumors.

Main Methods:

  • Review of existing literature on glandular peripheral nerve sheath neoplasms.
  • Analysis of histological and immunohistochemical features.
  • Ultrastructural examination for understanding glandular structure origins.

Main Results:

  • The presence and appearance of glandular foci do not influence patient outcome.
  • Prognosis is determined by the spindle cell stroma's nature.
  • Immunohistochemistry and ultrastructural studies aid in diagnosis and understanding origins.

Conclusions:

  • Glandular peripheral nerve sheath neoplasms require careful distinction from tumors like synovial sarcoma.
  • Histogenic origins of glandular structures remain under investigation.
  • Accurate diagnosis relies on assessing stromal components and utilizing advanced diagnostic techniques.

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