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  • Title: The clinicopathologic significance of laminin-5 gamma2 chain expression in cervical squamous carcinoma and adenocarcinoma.
    Author: Andersson S, Hellström AC, Angström T, Stendahl U, Auer G, Wallin KL.
    Journal: Int J Gynecol Cancer; 2005; 15(6):1065-72. PubMed ID: 16343183.
    Abstract:
    Carcinoma of the uterine cervix is one of the most prevalent malignancies among women in developing countries and the third most common type worldwide. Squamous cell carcinoma predominates in the cervix uteri, while adenocarcinoma and adenosquamous carcinomas represent about 10-15% of all cervical cancers. Many studies have confirmed that the human papillomavirus (HPV) is the most important etiologic factor in the development of cervical cancer. The aim of our study was to investigate the expression of the laminin-5 gamma2 chain in primary malignancies of the cervix uteri and to focus on the clinicopathologic significance of the expression of the laminin-5 gamma2 chain in cervical squamous carcinoma and adenocarcinoma with respect to age and survival of the patients. The study consisted of a total of 89 cases of invasive cervical cancer (54 squamous carcinomas and 35 adenocarcinomas). The laminin-5 gamma2 chain was found in 80% of all the squamous carcinoma and in 66% of cervical adenocarcinoma. There was no correlation of the high expression of laminin-5 with survival. The univariate analysis in squamous cell carcinoma showed that factors such as the stage of the disease and positive lymph nodes had an impact on the survival of the patients, whereas in the multivariate analysis, only age at diagnosis was an independent prognostic factor. However, in cases with cervical adenocarcinoma, only the stage of the disease was an independent prognostic factor. There was no difference between HPV-positive and HPV-negative tumors concerning the high expression of laminin-5 gamma2 chain. Our results indicate that the majority of the primary cervical tumors, especially squamous cell carcinoma, showed expression of laminin-5 gamma2 chain immunoreactivity. Independent prognostic values for the survival of the patients were age and stage of the disease.
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