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Mesothelioma

Last reviewed: 20 Oct 2025
Last updated: 19 Nov 2025

Summary

Definition

History and exam

Key diagnostic factors

  • family history
  • history of asbestos exposure
  • age between 60 and 85 years
  • shortness of breath
  • diminished breath sounds
  • dullness to percussion
Full details

Other diagnostic factors

  • male sex
  • chest pain
  • cough
  • constitutional symptoms
  • abdominal distention and/or pain
Full details

Risk factors

  • asbestos exposure
  • age 60 to 85 years
  • asbestos exposure during home maintenance and renovation
  • male sex
  • radiation exposure
  • genetic predisposition
  • simian virus 40 (SV-40)
Full details

Diagnostic tests

1st tests to order

  • CXR
  • CT chest and upper abdomen (with contrast)
Full details

Tests to consider

  • thoracentesis
  • PET/CT scan
  • pleural biopsy
  • video-assisted thoracoscopic surgery (VATS)
  • immunohistochemistry
  • germline testing
  • chest MRI
  • cervical mediastinoscopy
  • pulmonary function tests
  • CBC
  • basic metabolic panel
Full details

Emerging tests

  • diagnostic biomarkers

Treatment algorithm

ACUTE

resectable disease

unresectable or recurrent disease

Contributors

Authors

Hedy Kindler, MD

​Professor of Medicine

Associate Dean for Clinical Science Research, Human Subjects

The University of Chicago, Biological Sciences Division

Section of Hematology/Oncology

Chicago

Disclosures

HK declares she has no competing interests.

Acknowledgements

Dr Hedy Kindler would like to gratefully acknowledge Dr Idrees Mian​, Dr Jaydira del Rivero, Dr Anish Thomas, Mrs Mary Hesdorffer, Dr Robert Taub, and Dr Chris R. Kelsey, the previous contributors to this topic.

Disclosures

IM, JdR, AT, MH, RT, and CRK declare that they have no competing interests.

Peer reviewers

Marc de Perrot, MD, MSc

Associate Professor of Surgery

University of Toronto

Division of Thoracic Surgery

Toronto General Hospital

Ontario

Canada

Disclosures

MdP is an author of a reference cited in this topic.

Tom Treasure, MD, MS FRCS, FRCP

Professor of Cardiothoracic Surgery (Honorary)

Clinical Operational Research Unit

Department of Mathematics

University College London

London

UK

Disclosures

TT is an author of a reference cited in this topic.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

National Comprehensive Cancer Network. NCCN clinical practice guidelines in oncology: mesothelioma: pleural [internet publication].Full text

Woolhouse I, Bishop L, Darlison L, et al. British Thoracic Society guideline for the investigation and management of malignant pleural mesothelioma. Thorax. 2018 Mar;73(suppl 1):i1-30.Full text  Abstract

Popat S, Baas P, Faivre-Finn C, et al. Malignant pleural mesothelioma: ESMO clinical practice guidelines for diagnosis, treatment and follow-up. Ann Oncol. 2022 Feb;33(2):129-42.Full text  Abstract

Kindler HL, Ismaila N, Bazhenova L, et al. Treatment of pleural mesothelioma: ASCO guideline update. J Clin Oncol. 2025 Mar 10;43(8):1006-38.Full text  Abstract

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
  • Mesothelioma images
  • Differentials

    • Benign reactive mesothelial hyperplasia
    • Benign asbestos-related pleural reactions
    • Non-small cell lung cancer
    More Differentials
  • Guidelines

    • Mesothelioma: pleural
    • Suspected cancer: recognition and referral
    More Guidelines
  • Videos

    Pleural aspiration animated demonstration

    More videos
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