The Endoscopic inspection of the large bowel and the distal part of the small bowel with a CCD camera or a fibre optic camera on a flexible tube passing via the anus is known as colonoscopy or coloscopy. It can make a visual diagnosis (such as ulcers or polyps) and allow for biopsy or excision of suspected colorectal cancer lesions.
The distinction between colonoscopy and sigmoidoscopy is which portions of the colon each may check. A colonoscopy permits the entire colon to be examined. Because the benefits of colonoscopy to cancer survival have been restricted to the diagnosis of lesions in the distal region of the colon, a sigmoidoscopy allows an inspection of the distal portion (approximately 600 mm) of the colon, which may be sufficient.
A sigmoidoscopy is frequently used as a pre-screening technique for a full colonoscopy, and it’s frequently combined with a faecal occult blood test (FOBT). Colonoscopy is recommended for about 5% of these screened patients.
Internal medicine, often known as general internal medicine, is a medical speciality that focuses on the prevention, diagnosis, and treatment of illnesses of the internal organs.
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