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  • American Osteopathic Board of Proctology

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    The American Osteopathic Board of Proctology (AOBPR) is an organization that provides board certification to qualified Doctors of Osteopathic Medicine (D.O.) who specialize in the medical and surgical treatment of disorders of the anus, colon, and rectum of the gastrointestinal tract (proctologists). The board is one of 18 medical specialty certifying boards of the American Osteopathic Association Bureau of Osteopathic Specialists approved by the American Osteopathic Association (AOA), and was established in 1941. As of April 2011, there were 25 osteopathic proctologists certified by the AOBPR.

  • Ned Abraham

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    Ned Abraham is an Associate Professor of surgery at the Faculty of Medicine, University of New South Wales a general & colorectal surgeon, a clinical academic and a retired Australian Army Reserve Officer. He has spoken at multiple national and international meetings in four continents and his published articles in general, colorectal and academic surgery have been cited in the medical literature over a thousand times. He continues to practice and teach surgery in Coffs Harbour, NSW, Australia.

  • Colonoscopy

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    Colonoscopy () or coloscopy () is the endoscopic examination of the large bowel and the distal part of the small bowel with a CCD camera or a fiber optic camera on a flexible tube passed through the anus. It can provide a visual diagnosis (e.g., ulceration, polyps) and grants the opportunity for biopsy or removal of suspected colorectal cancer lesions. Colonoscopy can remove polyps as small as one millimeter or less. Once polyps are removed, they can be studied with the aid of a microscope to determine if they are precancerous or not. It can take up to 15 years for a polyp to turn cancerous. Colonoscopy is similar to sigmoidoscopy—the difference being related to which parts of the colon each can examine. A colonoscopy allows an examination of the entire colon (1200–1500 mm in length). A sigmoidoscopy allows an examination of the distal portion (about 600 mm) of the colon, which may be sufficient because benefits to cancer survival of colonoscopy have been limited to the detection of lesions in the distal portion of the colon. A sigmoidoscopy is often used as a screening procedure for a full colonoscopy, often done in conjunction with a fecal occult blood test (FOBT). About 5% of these screened patients are referred to colonoscopy. Virtual colonoscopy, which uses 2D and 3D imagery reconstructed from computed tomography (CT) scans or from nuclear magnetic resonance (MR) scans, is also possible, as a totally non-invasive medical test. Virtual colonoscopy does not allow therapeutic maneuvers such as polyp and tumour removal or biopsy, nor visualization of lesions smaller than 5 millimeters; if a growth or polyp is detected using CT colonography, it would require removal during a standard colonoscopy. Surgeons have used the term pouchoscopy to refer to a colonoscopy of the ileo-anal pouch.

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