十二指腸のX線学的研究
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概要
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I. Basic Study of the Hypotonic Duodenography To fill the duodenal lumen adequately by contrast material for perfect roentogenologic examination of the duodenum, one must study an activity and a peristaltic movement of the viscus in the first place. 1) I examined a motion of the stomach and the duodenum by Miller-Abbott double lumen tube and balloons. One balloon sets in the antral portion of the stomach and the other puts in the second portion of the duodenum, then traced curves of motion of both organs simultaneously. 2) Traced curves of motion of the duodenum were classified into three types. 3) Injected contrast material into the duodenum through the tube at the kinetic stadium of the organ flows freely into the jejunum. On the other hand, injected barium suspension at the rest stadium of the duodenum stays in the viscus for several minutes. 4) There are, however, some drugs (Buscopan and Xylocaine) to keep the rest stadium of the duodenum for a long time and gives a correct roentogenologic information of the organ. II. I studied the morphologic and geometric examination of the duodenum to make the normal standard of the roentogenologic anatomy of the viscus. 1) Normal shape of the duodenal cap is classified into five types. 2) Normal shape of the duodenal loop is divided into four types. 3) I measured the normal position and shift of the location of the duodenum due to alteration of the posture. The standards were the height and midline of the lumbar vertebra.
- 千葉大学の論文