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Textbook/Oncology and palliative care/Malignant pleural mesothelioma/Rapid
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Malignant pleural mesothelioma

Essential points for quick revision.

2 min synopsisUK scopeSources checked 27 Aug 2026Clinical review pending
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Respiratory compromise or acute pleural complication

Severe hypoxaemia, tension physiology, empyema, major procedure-related bleeding, rapidly recurrent fluid or pulmonary embolism may complicate mesothelioma and pleural intervention.

Action: Use ABCDE assessment and urgent thoracic imaging, drain air, blood, infected or pressure-producing fluid through the appropriate respiratory or surgical pathway and treat sepsis or thrombosis without waiting for elective mesothelioma staging.

Synopsis

Recognise asbestos-related pleural malignancy, obtain adequate image-guided or thoracoscopic tissue, control recurrent effusion and pain and coordinate systemic, local, occupational and palliative care.

  • Malignant pleural mesothelioma is a diffuse pleural cancer strongly linked to asbestos exposure after a latency often exceeding several decades.
  • Key features are progressive unilateral chest pain, breathlessness, recurrent unilateral exudative effusion, pleural nodularity or rind and loss of hemithoracic volume.
  • Take a detailed lifetime exposure history including job tasks, employers, dates, work clothing, home renovation and para-occupational contact; smoking does not cause mesothelioma.

Key red flags

Progressive unilateral chest pain and breathlessness with a recurrent unilateral pleural effusion or diffuse pleural thickening requires urgent pleural investigation.

Procedure complication

Acute hypoxaemia, severe pain, bleeding or sepsis after biopsy, drain or catheter requires urgent pleural and surgical assessment.

Investigation priorities

01
First-line contrast CT thorax and upper abdomenFirst stepFirst line

Characterise pleural tumour, fluid, lung, nodes and invasion and identify a safe biopsy site.

Management branches

DiagnoseObtain pleural tissue safely

CT and clinical features suggest mesothelioma.

  1. Take a lifetime task-based asbestos history, assess performance and goals and review contrast CT with the pleural MDT.
  2. Drain only the amount needed for symptoms and diagnosis while planning image-guided core or thoracoscopy that will provide adequate tissue and stage information.

Key medicines

Pemetrexed with platinumGive pemetrexed 500 mg/m² intravenously on day 1 of each 21-day cycle with cisplatin 75 mg/m² or protocol-selected carboplatin, using the current mesothelioma regimen and organ-function criteria.
Nivolumab with ipilimumabUse the licensed weight-based or fixed-dose intravenous combination schedule for unresectable mesothelioma under current NICE TA818 criteria, followed to the protocol duration or stop point.
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Sources and review status4 sources · checked 27 Aug 2026 · clinical review pending
Sources

Sources and review status

National guidance is shown before implementation-dependent detail. Typical adult dose examples remain subject to patient factors, contraindications and the live BNF or specialist protocol. Source check completed 27 Aug 2026; clinical approval remains outstanding.

Authoring stateRapid draftClinical stateAwaiting reviewJurisdictionUnited Kingdom