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Population based epidemiology and prognosis of mesothelioma in Leeds, UK
  1. A Chapman,
  2. S Mulrennan,
  3. B Ladd,
  4. M F Muers
  1. 1
    Leeds Teaching Hospitals NHS Trust, Leeds, UK
  1. Dr A L Chapman, The Friarage Hospital Northallerton, Northallerton, North Yorkshire DL6 1JG, UK; alexander.chapman{at}


Introduction: Malignant mesothelioma is a fatal neoplasm, which is rapidly increasing in incidence throughout Western Europe. To date there have been no studies reporting on the natural history and interventional practices on a comprehensive unselected population, as opposed to reports from referral institutions or compensation claimants. We present a population based study capturing data on all patients with mesothelioma presenting within a defined geographical area over a 4 year period in the UK.

Method: Data of all cases occurring in Leeds with a population of 750 000 were collected retrospectively from 2002 to 2003 and prospectively from 2004 to 2005. All patients’ hospital records and the Trust histology database were reviewed, as well as coroner’s reports on all patients with a post mortem diagnosis of mesothelioma.

Results: Over the 4 year study period, there were a total of 146 cases in Leeds; 77% were male. Median age was 74 years (range 36–93). Median survival from diagnosis was 8.9 months. 92% and 8% had histological or cytological confirmation, respectively. 85% had documented evidence of definite or probable exposure to asbestos. 110/146 (75%) had symptomatic pleural effusions at presentation. Twice the number of patients (42 vs 17) were managed with surgical rather than bedside pleurodesis and these had a lower recurrence rate (14% vs 47%; p = 0.02). 122 patients had video assisted thoracoscopic surgery/cutting CT biopsies or chest drains. 73/122 (60%) had prophylactic radiotherapy to these sites. There were seven cases (5%) of tract invasion by tumour and six of these had received prophylactic radiotherapy. Median time to seeding was 174 days. 92/146 (63%) had a performance status of 2 or better at diagnosis but only 54/146 were considered fit for chemotherapy. Of these, 28 (52%) declined chemotherapy; the overall uptake of chemotherapy or entry into a trial was 18%. No patient had radical surgery.

Conclusion: This comprehensive population based audit has shown that the median age at presentation of malignant mesothelioma is increasing and baseline performance status and survival is worse than in selected series. 37% of patients were considered suitable for palliative chemotherapy but less than 20% accepted this offer. Thorascopic pleurodesis appears to be associated with fewer recurrences. The role of prophylactic radiotherapy to chest drain and biopsy sites needs reappraisal.

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  • Competing interests: None.

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