File:Radiography, x-ray therapeutics and radium therapy (1915) (14757334202).jpg

Identifier: radiographyxrayt00knoxuoft (find matches)
Title: Radiography, x-ray therapeutics and radium therapy
Year: 1915 (1910s)
Authors: Knox, Robert, 1868-1928
Subjects: Radiography Radiotherapy X-rays
Publisher: London : A. & C. Black
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: MSN

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he meal.—Small intestine empty ; ascendingcolon visibl<\ • (/) 7 P.M. Ten hoTffS^tfter the meal.—The large intestine is visible as faras the left flexure. (g) Twenty-four hours after the meal.—The large intestine is filled as faras the rectum. These are roughly the times for a barium meal; when a bismuth salt isused the time given must be proportionately lengthened. VAKIATIONS IN THE TECHNIQUE 217 There are several variations from the routine which may be employedto suit individual cases, e.g. the screening may be greatly prolonged whenit is desirable to make observations on the motility of the stomach, or incases of irritable stomach with or ^\^thout duodenal ulcer. In pyloric ulceror cancer of the pylorus valuable observations may be made by the screenmethod. Dr. Jefierson, working in the X-ray department at the Cancer Hospital,London, has obtained a number of most interesting plates of these conditions.Conditions of the ahmentary tract commonly met with wiU best be shown
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/ Fig. 166.—Diaprrams to illustrate the stages of a bismuth meal. a, h, and c show the stomach iu process of filling with the bismuth food. d shows the fully distended stomach immediately after completion of the meal. e. Several hours after: Food passing from the stomach through pylorus into duodenum ; foodin small intestine. /, Stomach nearly empty ; food in small intestine (ileum), and commencing to fill up theCfficum. by taking a number of plates dealing first with the noi;mal and later ^\iththe departures from the normal. The radiographic method is of the greatest value when a succession ofplates can be obtained, as the stomach may be observed during the processof filling. SmaU quantities may be watched passmg into the organ andtaking a definite course along the lesser curvature. 218 RADIOGKAPHY Modifications of the Opaque Meal for Special Investigations.— The bismuth or barium sulphate may be made very thin and a small quantitygiven when we wish to test the motility of the st

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