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CT virtual endoscopy of the stomach : comparison study with gastric fiberscopy

We evaluated the value of computed tomographic (CT) gastric virtual endoscopy (VE) by comparing it with real gastric fiberscopy (GF). Sixty-six VE findings in 63 patients were compared with lesions found with GF. After a GF examination, the examinees were given bubble-making granules for the stomach...

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Published in:Abdominal imaging 2005-07, Vol.30 (4), p.473-479
Main Authors: INAMOTO, K, KOUZAI, K, UEEDA, T, MARUKAWA, T
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description We evaluated the value of computed tomographic (CT) gastric virtual endoscopy (VE) by comparing it with real gastric fiberscopy (GF). Sixty-six VE findings in 63 patients were compared with lesions found with GF. After a GF examination, the examinees were given bubble-making granules for the stomach and placed in a supine position on the CT table. Abdominal CT slices of 1 mm thickness were obtained by multidetector row CT (Siemens Sensation 16) and reconstructed to VE images with volume and surface rendering on the same day. VE images were successful in showing subtle alterations in the gastric mucosal folds. Gastric cancer, polyps, ulcers, erosions, and gastritis were clearly visualized. Comparison studies between VE and GF (as the gold standard) showed a sensitivity of 92.7% and a specificity of 90.9%. Original CT images were also useful in detecting lesions in other abdominal organs such as the liver, adrenal gland, and kidney. Because VE is a good noninvasive screening method, except for minimal radiation exposure, it is expected to become a new technique for stomach examinations.
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source Springer Nature
subjects Adrenal glands
Biological and medical sciences
Computed tomography
Contrast Media
Cysts - diagnostic imaging
Endoscopy
Fatty Liver - diagnostic imaging
Fiber Optic Technology
Gastric cancer
Gastric mucosa
Gastric Mucosa - diagnostic imaging
Gastric Mucosa - pathology
Gastritis
Gastritis - diagnostic imaging
Gastritis - pathology
Gastroenterology. Liver. Pancreas. Abdomen
Gastroscopy - methods
Humans
Image Processing, Computer-Assisted - methods
Image reconstruction
Imaging, Three-Dimensional - methods
Kidney Diseases, Cystic - diagnostic imaging
Lesions
Liver Diseases - diagnostic imaging
Medical imaging
Medical sciences
Microbubbles
Polyps
Polyps - diagnostic imaging
Polyps - pathology
Radiation
Radiation effects
Sensation
Sensitivity and Specificity
Stomach
Stomach - diagnostic imaging
Stomach - pathology
Stomach Neoplasms - diagnostic imaging
Stomach Neoplasms - pathology
Stomach Ulcer - diagnostic imaging
Stomach Ulcer - pathology
Supine position
Tomography
Tomography, X-Ray Computed - methods
Ulcers
User-Computer Interface
title CT virtual endoscopy of the stomach : comparison study with gastric fiberscopy
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