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Related to sigmoidoscope: sigmoidoscopy, colonoscopy
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  • noun

Synonyms for sigmoidoscope

an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon

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If a mass or any other types of abnormalities are seen through the flexible sigmoidoscope or colonoscope, a sample (biopsy) is taken for further examination by a pathologist to determine if it is cancerous or benign.
A conscious effort and manual guidance are necessary for the sigmoidoscope to enter the diverticulum.
The examination area should have available a range of proctoscopes, rigid sigmoidoscopes, haemorrhoidal banding, probes, local anaesthetic and instrumentation to allow excision of cutaneous pathology such as perianal haematomas, small skin tags, banding of haemorrhoids, simple haemorrhoidectomy, low fistulotomy, sphincterotomy and excision of anal warts, abscess drainage, etc.
Using a 60 cm flexible sigmoidoscope, approximately 65%-75% of adenomatous polyps and 40%-65% of colorectal cancers are within its reach, whereas the colonoscope has the ability to view the entire length of the colon (Hawk & Levin, 2005).
One example would be a sigmoidoscope, which has wire filaments down its length attached to a control knob the doctor can rotate to change the camera's point of view.
Moreover, the excess polyps occurring in smokers tend to be high-grade lesions that occur disproportionately on the left side of the colon, where they are accessible to the flexible sigmoidoscope. These observations raise the possibility that smokers might benefit from supplemental flexible sigmoidoscopy during the intervals between colonoscopy, said Dr.
Proctoscopy is performed with a shorter instrument than sigmoidoscope and is not recommended as a colorectal cancer screening test.
A shorter version of the colonoscope is called a sigmoidoscope. This instrument is used to screen for problems in the lower part of the large bowel only.
The flexible sigmoidoscope permits fairly complete examination of the colon and increases patient tolerance and comfort.
Because the sigmoidoscope only visualizes the lower third of the intestine, the entire colon must then be examined with a colonoscope if a polyp is found.
The tube is called a sigmoidoscope (sig-MOY-duh-skope).
To perform a sigmoidoscopy, the physician uses a long, flexible tube with a fiberoptic light on the end called a sigmoidoscope to view the rectum and lower colon.
Colon cancer is the second leading cause of cancer mortality in this country, and examination of the colon with a flexible sigmoidoscope is one means of detecting the disease at a curable stage.
* Have a sigmoidoscope exam every three to five years after age 50--colon & rectum.
The condition can be reviewed easily by a physician while using a sigmoidoscope. Degrees of inflammation can be determined by the appearance of only blood (mild), formation of tiny ulcers and patches of mucus (moderate), or increased blood on the mucosa surface, and narrowing of the lumen of the rectum (severe).