sigmoidoscope造句

• The sigmoidoscope is lubricated and inserted with obturator in general direction of the navel.
• Inability to negotiate sigmoidoscope or a flatus tube.
• The tube is called a sigmoidoscope.
• The sigmoidoscope can be further advanced into the lower intestinal tract and requires an endoscopic set-up.
• Lateral movements of the sigmoidoscope's tip negotiate the Houston valve and the recto-sigmoid junction.
• A small hospital-the Camogli Hospital-which has ultrasound, X-ray facilities a gastroscope, but no sigmoidoscope.
• This time, Rohan said, the doctor examined him more closely, with a sigmoidoscope, and sent him to a gastroenterologist.
• The sigmoidoscope, thought mistakenly to have been invented by the Marquis de Sade, is truly nowhere as uncomfortable as a trip to your local physical therapist.
• Using fiber-optic instruments called colonoscopes and sigmoidoscopes, they can look at the interior of a patient's colon to spot tiny growths, called polyps, which can be removed before they turn cancerous.
• The old rigid proctoscopes have been replaced by a more comfortable instrument called a flexible sigmoidoscope, which allows the doctor to directly view the bottom third of the bowel, where about 40 percent of colorectal cancers arise.
• It should be combined with a sigmoidoscope exam every five years, one of those doctors-office exams where they tell you that " this may feel a little uncomfortable " as they peer into the lower third of your colon.
• Also, a 1997 survey in the Archives of Family Medicine showed that a majority of primary care physicians failed to follow more than one-third of the federal guidelines for the proper cleaning of sigmoidoscopes, used for the detection of colon cancer.
• Men may accept the indignity of digital rectal exams and prostate-specific antigen tests, and women reluctantly submit to pap smears and mammograms, but most still balk at the colonoscopies, flexible sigmoidoscopes and double-contrast barium enemas used to detect cancers of the colon and rectum.