Sigmoidoscopy screening every five years may be too frequent

BMJ 2003; 326 doi: (Published 03 May 2003) Cite this as: BMJ 2003;326:949
  1. Scott Gottlieb
  1. New York

    Although current US guidelines recommend that adults aged more than 50 years undergo sigmoidoscopy screening for colon cancer every five years, that may be unnecessarily frequent, a new study says.

    Screening methods for colorectal cancer include fecal occult blood testing—to identify blood in the stool—and colonoscopy and sigmoidoscopy, in which a flexible, lighted tube is inserted into the rectum and passed through the colon to identify any polyps, or small growths, that can develop into cancer. Colonoscopy examines the …

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