Chapter

Upper gastrointestinal endoscopy

Adrian R.W. Hatfield

in Oxford Textbook of Medicine

Published on behalf of Oxford University Press

Published in print May 2010 | ISBN: 9780199204854
Published online May 2010 | e-ISBN: 9780199570973 | DOI: http://dx.doi.org/10.1093/med/9780199204854.003.150302

Series: Oxford Textbooks

Upper gastrointestinal endoscopy

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Flexible fibre optic endoscopes were developed in the mid-1960s, leading to the growth of gastrointestinal endoscopy as we now know it. The recent availability of cheaper, miniaturized colour chips has led to the development of video endoscopes, providing an excellent clear view that does not deteriorate with age (as it does with fibre optic devices). With improvements in software, the endoscopic video image can be magnified: modern instruments will zoom up to 25 × magnification, and mucosal detail can also be enhanced electronically so that small lesions a few millimetres in size can be seen quite clearly. The modern video endoscope image can be instantly printed out and archived digitally on a computer system....

Chapter.  4665 words. 

Subjects: Gastroenterology

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