Malignant pleural mesothelioma: A clinicopathological study

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Abstract
In this paper the results of a retrospective review of 58 patients with malignant pleural mesothelioma treated at our Institute are reported. There were 50 males and 8 females; the mean age was 56.3 years (range: 13–77). History of asbestos exposure was ascertained in 25 patients (43%). The most common finding in chest X-ray was pleural effusion which was seen in 47/58 patients on presentation. The cytological examination of pleural effusion was most of the time nondiagnostic. Pleural biopsy was needed for the correct diagnosis. Pathologically, 26 patients (44.8%) had epithelial type, 24 patients (41.4%) had mixed type, and 8 patients (13.8%) had fibrous or sarcomatous type of pleural mesothelioma. Most of the patients on presentation had Stage I disease by Butchart's classification. The overall survival time ranged from 1 month to as long as 17 years with a median of 12.5 months. The mean survival of patients who received nonsurgical therapies was 7–13.4 months. Thirteen patients were treated surgically: three patients survived over 5 years, but the median survival was 15 months. Six patients received no treatment, and the median survival was seven months.