Colorectal cancer: lessons for genetic counselling and care for families
- 1 July 1994
- journal article
- Published by Wiley in Clinical Genetics
- Vol. 46 (1) , 106-114
- https://doi.org/10.1111/j.1399-0004.1994.tb04212.x
Abstract
Cancers of the colon and the rectum are the second leading cause of malignacy in European countries with similar incidence rates for men and women and, therefore, one of the major health concerns. Emphasis is placed on the early detection of a developing neoplasm in order to improve the life expectancy of patients and their quality of life. Colorectal cancer (CRC) is an excellent model for studying the etiology and pathogenesis of a common malignancy and the complex multistage process of carcinogenesis. Abundant clinical and pathological evidence suggests that CRC arises from benign adenomas that proceed through a series of steps to metastatic carcinomas. Following the discovery of oncogenes and, more importantly tumor suppressor genes, Fearon & Vogelstein (1990) proposed a scheme of genetic events which are associated with colorectal tumorigenesis. Genetic linkage studies have recently identified another type of gene for colon cancer susceptibility that seems to act by destabilising the genome.Keywords
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