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Peritoneal mesothelioma.

W J Plaus1

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

Archives of Surgery (Chicago, Ill. : 1960)
|June 1, 1988
PubMed
Summary

Diagnosing peritoneal mesothelioma is difficult due to vague symptoms and non-specific tests. Electron microscopy is key for diagnosis, while treatments offer palliative benefits but do not improve survival.

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Area of Science:

  • Oncology
  • Pathology

Background:

  • Peritoneal mesothelioma is a rare cancer linked to asbestos exposure.
  • Diagnosis is challenging due to non-specific symptoms and physical findings.

Observation:

  • Pre-operative diagnostic tests, including computed tomography, provided no additional diagnostic value.
  • Widespread peritoneal neoplastic growth was consistently observed during laparotomy.
  • Tumors were macroscopically indistinguishable from other abdominal carcinomatosis.

Findings:

  • Electron microscopy emerged as the definitive diagnostic tool, as routine histology often yielded non-diagnostic results.
  • No intraperitoneal asbestos fibers were detected in the observed cases.
  • Combined radiation and chemotherapy achieved a 50% partial response rate, but did not impact survival.
  • Peritoneovenous shunting effectively palliated malignant ascites in two out of three patients.
  • One case demonstrated a complete response to novel intraperitoneal chemotherapy.

Implications:

  • Highlights the diagnostic challenges of peritoneal mesothelioma and the critical role of electron microscopy.
  • Suggests current treatments offer limited survival benefits but can effectively manage symptoms like malignant ascites.
  • Indicates potential for new intraperitoneal chemotherapy regimens in treating this rare neoplasm.

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