OVARIAN CANCER and US: serrated polyposis

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Showing posts with label serrated polyposis. Show all posts
Showing posts with label serrated polyposis. Show all posts

Wednesday, April 25, 2012

paywalled: Cancer Risks for Relatives of Patients With Serrated Polyposis : The American Journal of Gastroenterology + link to Johns Hopkins (further explanation/genetics)



Access : Cancer Risks for Relatives of Patients With Serrated Polyposis : The American Journal of Gastroenterology


CONCLUSIONS:
Our finding that relatives of serrated polyposis patients are at significantly increased risk of colorectal and pancreatic cancer adds to the accumulating evidence that serrated polyposis has an inherited component.

                                ~~~~~~~~~~~~~~~~~
 Johns Hopkins Colon Cancer Center:


Individuals are diagnosed with hyperplastic polyposis when they have multiple hyperplastic polyps, usually greater than 20 polyps.  The number of polyps ranges anywhere from 6 to greater than 100, though most individuals with hyperplastic polyposis have between 40 and 100 polyps.  A diagnosis of Hyperplastic polyposis may also made in individuals who present with fewer than 20 hyperplastic polyps, but whose polyps are larger, often greater than 2 centimeters.  Individuals may also be diagnosed with multiple serrated adenomas or a mix of both serrated adenomas and hyperplastic polyps.  Hyperplastic polyposis is usually diagnosed in individuals in their 40’s to 60’s, though it has been reported in individuals as young as 11 years old.  Individuals with hyperplastic polyposis are at an increased risk for developing colorectal cancer, so routine screening is extremely important.  Although the genetic basis for FAP, HNPCC, Peutz-Jeghers, MYH-Associated Polyposis, and juvenile polyposis has been identified, hyperplastic polyposis has not yet been explained. Hyperplastic polyposis is suspected to have a familial basis and reports have shown that is inheritable in 5% of cases, though the exact mechanism of inheritance has not been identified.