| 单词 | sigmoidoscopy |
| 释义 | sigmoidoscopy (once / 295483 pages) n WORD FAMILY sigmoidoscopy USAGE EXAMPLESFlexible sigmoidoscopy involves the use of a flexible scope to examine the lower portion of the colon and rectum, rather than the entire tract. US News(Feb 22, 2016) This means either a colonoscopy every 10 years or one of several other options every five years: flexible sigmoidoscopy, virtual colonoscopy, or double-contrast barium enema. US News(Jun 16, 2015) In the same year, The New England Journal of Medicine published two studies1, 2 showing that colonoscopy can detect cancers missed by sigmoidoscopy. Nature(May 12, 2015) n visual examination (with a sigmoidoscope) of the lower third of the colon in a search for polyps Syn|Hyper flexible sigmoidoscopy endoscopy visual examination of the interior of a hollow body organ by use of an endoscope |
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