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Sigmoidoscopy
 | This article needs more reliable medical references for verification or relies too heavily on primary sources. (January 2022) |  |
| Sigmoidoscopy | |
|---|---|
 | |
| ICD-10-PCS | 0DBN8ZX (with biopsy) |
| MeSH | D012812 |
| OPS-301 code | 1-651 |
| MedlinePlus | 003885 |
Sigmoidoscopy ("sigma", the Greek term for letter "s/ς" + "eidos" + "scopy": namely, to look inside an "s"/"ς"-like object) is the minimally invasive medical examination of the large intestine from the rectum through to the nearest part of the colon, the sigmoid colon. There are two types of sigmoidoscopy: flexible sigmoidoscopy, which uses a flexible endoscope, and rigid sigmoidoscopy, which uses a rigid device. Flexible sigmoidoscopy is generally the preferred procedure. A sigmoidoscopy is similar to, but not the same as, a colonoscopy. A sigmoidoscopy only examines up to the sigmoid, the most distal part of the colon, while colonoscopy examines the whole large bowel.
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