[The post-perfusion lung].
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Biomedical subjects
Publications and source records attributed to M Canepa.
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P53 protein in cutaneous melanoma. We report the results of an immunohistochemical analysis about the nuclear phosphoprotein P53 expression performed on 48 primary and 10 metastatic cutaneous melanoma in order to assess the prevalence of the expression of mutant P53 protein (m-P53) in this skin tumour. In our study m-P53 was found in about 46% of primary tumours without any significant relationship with the corresponding metastatic lesions. Therefore the P53 count in cutaneous melanoma is not a prognostic marker of tumour spread and aggressiveness.
By means of an AgNOR technique, the authors have carried out a retrospective study on proliferative activity in 170 cases of infiltrating ductal breast carcinoma (so-called carcinoma NOS). The follow-up period was 138 months. A statistically significant correlation was found between AgNOR score and outcome of the disease ("vital status"), clinical stage and OS respectively. By means of discriminant analysis a threshold value of AgNOR score was identified (= 9.5) which distinguished two risk groups among the cases under examination. Those cases with an average AgNOR score below the threshold value showed a favourable prognosis. The cases with an AgNOR score greater than 9.5 had an unfavourable outcome. The authors suggest that AgNOR score may be used as a prognostic parameter in breast carcinoma.
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