New colon cancer and polyposis genes recently identified include NTHL1, POLE, POLD1, MSH3, and RNF43. Previous studies suggest these genes raise the risk for colon cancer and polyposis; however, recent data suggest that environmental factors may also play an important role in risk. Ultimately, these genes account for a very small fraction of polyposis cases. …
Permanent link to this article: https://inheritedcancer.net/post3620/
In a study of 51 individuals with multiple colon polyps drawn from 48 families, genetic testing through whole-exome sequencing identified 7 individuals (from 3 unrelated families) to have a mutation in both copies of their NTHL1 gene, and pedigree structure was consistent with autosomal recessive inheritance.1 All these individuals had colorectal cancer and a large …
Permanent link to this article: https://inheritedcancer.net/6nls2018/
For Individuals with Lynch Syndrome: Surveillance for gastric and small bowel cancer now indicates there is no clear data to support this, but surveillance can be performed every 3-5 years starting at age 40 Lack of evidence to make a recommendation for pancreatic or prostate cancer screening, beyond those already recommended through other NCCN Guideline …
Permanent link to this article: https://inheritedcancer.net/2nls2018/
