Relation of lesions of the small intestine to disorders of the stomach and cap as observed roentgenologically / by Lewis Gregory Cole, M.D., Professor of Roentgenology in Cornell University Medical College.

  • Lewis Gregory Cole
Date:
1914
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Licence: In copyright

Credit: Relation of lesions of the small intestine to disorders of the stomach and cap as observed roentgenologically / by Lewis Gregory Cole, M.D., Professor of Roentgenology in Cornell University Medical College. Source: Wellcome Collection.

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    Spasms of the Pars Pylorica, Pyloric Sphincter, and Cap. There are two ways of ascertaining that the pars pylorica, pyloric sphincter, or cap is subject to spasmodic contraction. The spasm itself may be registered on some or all of the roentgenograms of the series in the very act of occluding the lumen. Or only the results of the spasm may be visible in a permanent diminution of the lumen, caused by constant or spasmodic contraction of the muscular coat. Fig. 4, b.—Relaxation of spasm illustrated in Fig. 4, a. Spasm of the Pars Pylorica. The roentgenographical picture of spasmodic contraction of the pars pylorica shows that portion of the gastric lumen reduced in size out of all proportion to the dimensions of the pars media and pars cardiaca. The whole or only the pyloric end of the region may be distorted. The mucosa and submucosa, normally ribbed by shallow rugae, are puckered into deep folds, which give the lumen a corrugated appearance (Fig. 4, a). These furrows may run transversely or obliquely. The roentgeno¬ gram which presents these phenomena may be followed by one showing a perfectly smooth, well-distended contour of the same region, indicating that the spasm has relaxed its grip temporarily (Fig. 4, b). Sometimes the spasm occurs only at a certain stage of digestion, and is absent in all the roentgenograms made before and after this interval.
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