Definition of Sigmoidoscopy
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Sigmoidoscopy: Inspection of the rectum and lower colon using a thin lighted tube called a sigmoidoscope. Samples of tissue or cells may be collected for examination under a microscope. Also called proctosigmoidoscopy.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=5492
Last Editorial Review: 4/5/2003
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