Gastrointestinal endoscopy - Inashikyokensa

...However, about 10% of people with ulcers do not complain of any symptoms at all, and especially when gastric ulcers recur, they are often asymptomatic. Diagnosis can be made by gastric X-ray examination or gastrointestinal endoscopy. In a gastric X-ray examination, the patient drinks barium sulfate, which is opaque to X-rays (roentgen rays), and an X-ray is used to diagnose a gastric ulcer by observing defects in the stomach wall, the characteristics of the surrounding area, and stomach movement.

*Some of the terms used in reference to "gastroendoscopy" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…しかし，潰瘍がありながら，まったく症状を訴えない場合も約10％くらいあり，とくに胃潰瘍の再発時には無症状のことが多い。診断には胃X線検査と胃内視鏡検査とがある。胃X線検査は，X線(レントゲン線)を通さない硫酸バリウムを飲み，X線で透視して胃壁の欠損や周辺の性状，胃の動きなどを見て胃潰瘍の診断を行う。…

※「胃内視鏡検査」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報