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 ?
Assessment of endoscopically visible bronchial carcinomas chest; 73, 718-20; 1978.
A variety of newer, improved versions of endoscopically placed balloons are also being studied, including the ReShape, a double balloon device, Dr.
In one single-center study on 1,248 Iranian GERD patients, the prevalence of endoscopically suspected and pathologically confirmed BE was 8.
The aim of this study was to determine whether bowel wall thickening seen on CT scans correlates with disease pathology seen endoscopically.
4) However, laparotomy is indicated if the stones are large or impacted and cannot be dislodged endoscopically.
Operative intervention is therefore required if exceptionally long pieces of wire cannot be extracted endoscopically or if the foreign body remains impacted at a specific site and the patient develops progressive signs.
Because shortterm studies have shown little difference in outcomes between endoscopically harvested and traditionally harvested veins at six months, the researchers turned to detailed studies of the interior of the veins performed with an electron microscope (scanning microscopy).
Oesophageal candidiasis appears endoscopically as multiple yellow-white plaques with the appearance of 'cottage cheese', which may be isolated or confluent or coat the entire oesophagus, causing luminal impingement [6,9,10,11] (Figure 1).
Endoscopically placed self-expanding metal stents are now used in the management of patients with malignant obstruction of the left colon, both as a bridge to surgery in patients with curable lesions and in the palliative setting in patients with incurable metastatic disease.
Food and Drug Administration (FDA) for use in pediatric patients aged 12 years and up for the treatment of endoscopically diagnosed esophagitis, including erosive and ulcerative esophagitis and associated heartburn due to GERD.

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