Current status of genetic testing for colorectal cancer susceptibility

被引:0
|
作者
Solomon, CH [1 ]
Pho, LN [1 ]
Burt, RW [1 ]
机构
[1] Univ Utah, Huntsman Canc Inst, Div Gastroenterol, High Risk Canc Clin, Salt Lake City, UT 84112 USA
来源
ONCOLOGY-NEW YORK | 2002年 / 16卷 / 02期
关键词
D O I
暂无
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Over 130,000 new cases of colon cancer are diagnosed annually. Approximately 20% to 30% of these are attributable to familial risk, and 3% to 5% belong to a hereditary colorectal cancer predisposition syndrome. Recent discoveries of the genes responsible for the inherited colorectal cancer conditions have expanded the field of commercial genetic testing. Health-care providers who use genetic testing in clinical practice are aware of the benefits that genetic testing can confer on screening, prevention, and treatment options for patients with a personal and/or family history of colon cancer. When genetic test results are correctly interpreted, the information they provide can offer medical guidance for the entire family. The psychological impact, however, of presymptomatic testing can be multifaceted. There are unprecedented benefits but also complex issues surrounding genetic testing. For these reasons, the practice of offering genetic testing to individuals at high risk for colon cancer is heavily fortified with guidelines and recommendations. This review covers the current availability and limitations of genetic testing for inherited colorectal cancer syndromes and focuses on guidelines that address the psychological, ethical, and social concerns stemming from genetic testing.
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页码:161 / 171
页数:11
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