endoscope

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endoscope,

any instrument used to look inside the body. Usually consisting of a fiber-optic tube attached to a viewing device, endoscopes are used to explore and biopsy such areas as the colon and the bronchi of the lungs. Endoscopes employing miniature television cameras and tiny surgical implements now allow exploration and endoscopic surgery through small incisions; such surgery is much less traumatic to the patient than traditional open surgery. Laparoscopic surgery, in which the endoscope is inserted through a small incision in the abdomen or chest, is used to correct abnormalities of the ovaries and as an alternative to traditional gall bladder and chest surgery. Arthroscopic surgery is endoscopic surgery performed on joints such as the knee or shoulder.

Endoscope

 

a medical instrument for the examination of hollow organs (for example, the esophagus, stomach, and bronchi) and the abdominal and other body cavities. Endoscopes have optical and illumination systems. There are two basic types: rigid endoscopes (for example, proctoscopes), which use optical systems of lenses, and flexible fiberscopes (for example, esophago-gastroscopes), which use fiber optics. Fiberscopes make possible the examination of organs that cannot be seen with rigid endoscopes (for example, the duodenum). The optical systems of flexible endoscopes consist of numerous glass fibers (light guides), which measure 0.01–0.02 mm in diameter.

The use of endoscopes not only has made possible the examination of various organs but also has aided greatly in the visual guiding of biopsy procedures and in surgery (removal of foreign bodies and polyps, coagulation of bleeding vessels). Modern endoscopes permit complication-free examination.

endoscope

[′en·də‚skōp]
(medicine)
An instrument used to visualize the interior of a body cavity or hollow organ.
References in periodicals archive ?
The authors (16) analyzed the still images of the mucosal EGJ and found that the endoscopically defined distal ends of esophageal longitudinal vessels were less than 5 mm distal to the SCJ in more than 95% of cases, and the mucosa in between was columnar in a narrow zone.
Statement 9: For patients with endoscopically invisible dysplasia (confirmed by a GI pathologist) referral is suggested to an endoscopist with expertise in IBD surveillance using chromoendoscopy with high-definition colonoscopy.
Shaikh was the first physician in New Jersey to perform endoscopic suturing cases, the first to repair esophageal fistulas via endoscopic techniques and the first to repair gastric pouches for mechanical defects of dilated gastric outlets and pouches as well as the first to endoscopically repair sleeve leaks and endoscopically remove an eroded gastric lap band.
We were able to successfully treat these very sick patients endoscopically and enable them to avoid more invasive procedures.
BAROnova's TPS has been shown to help patients lose as much weight with a durable, endoscopically placed device as with today's more invasive surgical alternatives.
Angiographic embolization is the best alternative option in poor surgical candidates with endoscopically unmanageable gastrointestinal bleeding; mainly after two unsuccessful endoscopic attempts.
According to a large study, people who had a negative colonoscopy free of endoscopically visible precancerous lesions were nearly 80% less likely to develop colorectal cancer than those who had never had a colonoscopy.
Nonepithelial polyps and tumors frequently occur in the gastrointestinal tract and recognizing and classifying them pose a variety of diagnostic challenges, particularly when present in limited, endoscopically obtained, mucosal biopsy material.
This translates to a positive predictive value of 64% for thickening seen on a CT scan correlating to an endoscopically proven upper GI pathology (Table 2).
At the meeting, the agency will ask its Gastrointestinal Drugs Advisory Committee to discuss whether endoscopically documented gastric ulcers are an adequate outcome measure to evaluate drugs that are intended to prevent such NSAID-triggercd GI complications.
Objects in the duodenum may also be removed endoscopically depending on how far the endoscopist can transverse the duodenum.
The diseased tissue is removed endoscopically through the armpit incision.

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