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S. Laaksonen

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    MINI 24 - Epidemiology, Early Detection, Biology (ID 140)

    • Event: WCLC 2015
    • Type: Mini Oral
    • Track: Thymoma, Mesothelioma and Other Thoracic Malignancies
    • Presentations: 1
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      MINI24.06 - Mesothelioma in Finland: 10 Year Population-Based Cohort Between 2000-2009 (ID 1048)

      16:45 - 18:15  |  Author(s): S. Laaksonen

      • Abstract
      • Slides

      Malignant pleural mesothelioma (MPM) is associated with high morbidity and poor prognosis. We evaluated in population-based analysis the impact of enhanced diagnostics like positrone emission tomography (PET) and thoracoscopy. Also introduction of new medical therapy, Pemetrexed in 2004 could also benefit overall survival.

      Complete national data on 763 patients from the Finnish Cancer Registry sampled from 2000 to 2009 are presented. Survival for 1 year and 2 years and median survival were calculated. Survival data was acquired in February 2013.

      During study period the incidence of MPM has been significantly and steadily increasing. The incidence was highest among men in all time periods (fig 1). Median age at the diagnosis was 68 years (range: 25-94 years). Reported histology was epitheloid in 211 (27.7%), sarcomatoid in 79 (10.4%), biphasic 33 (4.3%) and non-specified in 437 patients (57.3%). Median survival was 10 months (range 0 - 150 months), Fig 2. Between two 5-year cohorts (2000-2004 and 2005-2009) no significant difference in overallsurvival was observed (0.537). One year survival was 43.1% and two year 18.7%, with no differences were noted in the 5-year cohorts (0.826 and 0.402 respectively). Primary diagnosis was made in autopsy in 50 (6.6%) patients. A total of 27 patients (3.7% of deceaced) died for other reasons than MPM. 34 patients (4.5%) lived over 5 years and 16 (2.1%) of these are still alive. Figure 1Figure 2

      Despite significantly increased availability of new diagnostic tools like thoracoscopy, PET, and pemetrexed therapy during this cohort, no significant difference in overall survival was noted in this population based analysis. In order to facilitate better outcomes nationaly, new means are needed to coordinate both diagnostic and therapy of MPM.

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