Evaluation of the Degree of Early Gastric Cancer Invasivity Using a 20 MHz Endoscopic Ultrasound Probe Hideo Yanai 1 1The First Department of Internal Medicine, Yamaguchi University School of Medicine Keyword: 20MHz超音波 , 経内視鏡的超音波プローブ , 胃粘膜筋板 , 早期胃癌 , 超音波内視鏡 pp.1185-1190
Published Date 1992/10/25
DOI https://doi.org/10.11477/mf.1403110005
  • Abstract
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 The degree of early gastric cancer invasivity was evaluated by a 20 MHz endoscopic ultrasonic probe (Fujinon, Sonoprobe System). This probe may be introduced through the biopsy channel of an ordinary endoscope. Under direct vision, even small tumors can be scanned easily. Diagnostic accuracy of the depth of invasion was improved by identifying the tumor and separating it from the normal muscularis mucosa of the stomach.

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