MIB-1 proliferation index correlates with survival in pleural malignant mesothelioma |
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Authors: | Comin C E Anichini C Boddi V Novelli L Dini S |
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Affiliation: | Istituto di Anatomia e Istologia Patologica, Università degli Studi di Firenze, Italy. |
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Abstract: | AIMS: The purpose of this study was to establish whether the cell proliferation index assessed by the monoclonal antibody MIB-1 would correlate with survival in pleural malignant mesothelioma. METHODS AND RESULTS: We studied a series of seven long-term survivors with pleural malignant mesothelioma and a group of control cases with short-term survival. All cases showed MIB-1 positive cells, and labelling indices were expressed as percentage of cells with positive nuclear immunostaining by randomly counting 1000 tumour cells. A statistically significant difference was found between MIB-1 values in the long-term survival group and the control cases with short-term survival. CONCLUSIONS: Our results indicate that the differences in biological behaviour of malignant mesothelioma in long-term and short-term survivors may be explained in part by differences in tumour growth fraction and that proliferation index could represent an important prognostic parameter for this tumour. |
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Keywords: | immunohistochemistry mesothelioma MIB-1 prognosis survival |
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