hereditary nonpolyposis colorectal cancer

(redirected from Hereditary non-polyposis colon cancer)
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hereditary nonpolyposis colorectal cancer

[MIM*114500]
an autosomal dominant predisposition to early-onset colorectal cancer in the absence of adenomatosis. The disease phenotype may be limited to the colorectum (Lynch syndrome I) or coexist with extracolonic tumors such as endometrial or gastric cancer among others (Lynch syndrome II). The genetic basis is in one of several genes responsible for DNA mismatch repair; in over 90% of cases, the mutation is one of two genes: MSH2 and MLH1.

he·red·i·tar·y non·pol·y·po·sis co·lo·rec·tal can·cer

(hĕr-ed'i-tar-ē non'pol-i-pō'sis kō'lŏr-ek'tăl kan'sĕr)
An autosomal dominant predisposition to cancer of the colon and rectum.
References in periodicals archive ?
HNPCC = hereditary non-polyposis colon cancer CRC = colorectal cancer MSI = microsatellite instability Sources: Data modified from Merg et al., 2005; Umar et al., 2004.
You also have an increased risk of uterine and ovarian cancer if your family has a strong history of colon cancer, she says, particularly if it fits the profile of hereditary non-polyposis colon cancer, or HNPCC.
These mutations, in conjunction with a family history of colon cancer, indicate increased risk for developing hereditary non-polyposis colon cancer.

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