National Polyp Study

National Polyp Study

GI disease A 10-year study that found that colonoscopy was more effective than barium enema in detecting precancerous adenomas, reported in June 2000, NEJM.
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PHILADELPHIA -- The first colonoscopy done on a person has the greatest impact for preventing death from colorectal cancer, and subsequent surveillance colonoscopies play a lesser role, based on a new analysis of 20-year follow-up data collected in the National Polyp Study.
In earlier reports, researchers from the National Polyp Study showed that patients with three or more adenomas at baseline have an increased risk of subsequent advanced adenomas or colorectal cancer.
One caveat is that the screening colonoscopies done in the National Polyp Study "did an extremely good job at clearing polyps at baseline," Dr.
Proof of this principle was provided by the National Polyp Study, which established that colonoscopic polypectomy can dramatically reduce the incidence of colorectal cancer.
Prevention of colorectal cancer by colonoscopic polypectomy: the National Polyp Study Workgroup.
A comparison of colonoscopy and double-contrast barium enema for surveillance after polypectomy: the National Polyp Study Work Group.
for the National Polyp Study Work Group concluded that colonoscopic examination was a more effective method of surveillance than barium enema.
For the past ten years, the Sloan-Kettering Cancer Center in New York has conducted the National Polyp Study with six other hospitals.
5,9) Indeed, the National Polyp Study revealed that polypectomy reduced the incidence of colorectal cancer by 76 to 90%.
The recent research arises from the National Polyp Study, an ongoing research project headed by Dr.

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