Identifier: americanjournalo10ameruoft (find matches)
Title: The American journal of roentgenology, radium therapy and nuclear medicine
Year: 1906 (1900s)
Authors: American Radium Society American Roentgen Ray Society
Subjects: Radiotherapy X-rays
Publisher: Springfield, Ill. C.C. Thomas
Contributing Library: Internet Archive
Digitizing Sponsor: Internet Archive

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shield of lead foilwas placed t)\er the dogs body, so that asquare hole measuring 2)i in. on a sidelay over the incision. A loop of ileummeasuring 12^ in. in length was broughtup through the hole in the shield and spreadout oxer a la\er of gauze moistened inwarm normal salt solution. A second thin Intestinal Reaction to Erythema Dose layer of moist gauze was placed o\er theloop, to prevent drying. The edges ot thewound were clipped together temporarily,so that there was a small area of skindirectly exposed in the upper half of thehole in the shield. The appearance of theoperative field is shown in Figure 4. Thex-ray tube was swung o\er the intestinalloop and a dose of 25 ma. min. administered.Following this procedure, sutures were surface or in the mucosa. The findingsare illustrated in Figure 5. The humanerythema dose is therefore too small tobe of value in these experiments. Seventy-five ma. min., the minimumerythema dose, was selected for the nextexperiment. A medium-sized dog was
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Fic. 3. Areas over parts of which strips of fresh intestinewere placed before exposure. Note the uniformityof the reaction. placed in the mesentery at the ends of theexposed loop, as markers, the intestinewas dropped back into the abdominalcavity and the incision closed. The abdo-men was bandaged and the animal was Fig. 4. The operative field just after the intestinal loopwas drawn through the lead foil shield. A thin pieceof wet gauze was placed over the intestine beforeradiation was begun. subjected to the same operative pro-cedure as that described above, except thatthe loop of intestine exposed measured i73>-2in. in length, and included the lowerjejunum and upper ileum. The dog made

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