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Well-differentiated papillary mesothelioma.

K J Butnor1, T A Sporn, S P Hammar

  • 1Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA. butno001@mc.duke.edu

The American Journal of Surgical Pathology
|November 2, 2001
PubMed
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Well-differentiated papillary mesothelioma, a rare cancer, can occur in the pleura or peritoneum. While often indolent, some cases show aggressive behavior and may be linked to asbestos exposure.

Area of Science:

  • Oncology
  • Pathology

Background:

  • Well-differentiated papillary mesothelioma is an uncommon epithelial mesothelioma subtype.
  • Previously reported cases predominantly affected young women, often without asbestos exposure.

Purpose of the Study:

  • To characterize the clinical and pathological features of well-differentiated papillary mesothelioma.
  • To investigate the association with asbestos exposure and clinical outcomes.

Main Methods:

  • Retrospective analysis of 14 cases of well-differentiated papillary mesothelioma.
  • Review of patient demographics, tumor location, asbestos exposure history, and clinical follow-up.

Main Results:

  • Seven pleural, six peritoneal, and one tunica vaginalis cases were identified.

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  • The average patient age was 58 years, with a male predominance (11 males, 3 females).
  • Six patients had a history of asbestos exposure; six of nine with follow-up had indolent disease.

    • Conclusions:

    • Well-differentiated papillary mesothelioma is a rare mesothelioma variant with variable prognosis.
    • Asbestos exposure is an etiologic factor in some cases.
    • Clinical behavior ranges from indolent to aggressive.