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Related Experiment Videos

Polymorphic reticulosis: a reappraisal

J G Strickler1, M F Meneses, T M Habermann

  • 1Division of Anatomic Pathology, Mayo Clinic, Rochester, MN 55905.

Human Pathology
|July 1, 1994
PubMed
Summary
This summary is machine-generated.

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Polymorphic reticulosis, now understood as Epstein-Barr virus-related angiocentric T-cell lymphoma, presents with destructive sinonasal lesions. Survival rates indicate a significant challenge, with 50% mortality at 15 years.

Area of Science:

  • Oncology
  • Immunology
  • Pathology

Background:

  • Polymorphic reticulosis is a destructive sinonasal lesion.
  • Histologically, these lesions are characterized as angiocentric immunoproliferative lesions.

Purpose of the Study:

  • To characterize the nature of polymorphic reticulosis.
  • To investigate the association with Epstein-Barr virus and T-cell phenotype.
  • To evaluate treatment outcomes and survival in affected patients.

Main Methods:

  • Histopathological analysis of 18 sinonasal lesions.
  • Immunophenotyping of neoplastic cells.
  • Epstein-Barr virus RNA detection.
  • Retrospective survival analysis using Kaplan-Meier estimates.

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Main Results:

  • All 18 lesions exhibited angiocentric immunoproliferative features with atypical T-cell infiltrates.
  • Epstein-Barr virus RNA was detected in 17 of 18 cases.
  • Median follow-up was over 14 years for 16 patients.
  • Overall survival was 63% at 5 years and 50% at 15 years.
  • No correlation found between lesion grade and survival.

Conclusions:

  • Polymorphic reticulosis is an Epstein-Barr virus-associated angiocentric T-cell lymphoma.
  • The disease carries a significant mortality rate.
  • Further research into targeted therapies may be warranted.