. The Röntgen rays in medical work . Fig. 68.—Thumb showing Leaden Debris and Absorption of Bone (DistalEnd of Metacarpal) after Impact of Bullet. (Mandras.)The above print is from an a:-ray picture taken direct upon sensitized paper,and presents a negative record, in contrast from the positive print obtained froman ordinary a;-ray plate. accidental poisoning due to the retention of lead missiles. Theygive an illustration showing a great number of No. 9 shot, many ofthem misshapen or reduced to fragments, scattered along the trackof a wound between the knuckles of the hand and the lower halfof
. The Röntgen rays in medical work . Fig. 68.—Thumb showing Leaden Debris and Absorption of Bone (DistalEnd of Metacarpal) after Impact of Bullet. (Mandras.)The above print is from an a:-ray picture taken direct upon sensitized paper,and presents a negative record, in contrast from the positive print obtained froman ordinary a;-ray plate. accidental poisoning due to the retention of lead missiles. Theygive an illustration showing a great number of No. 9 shot, many ofthem misshapen or reduced to fragments, scattered along the trackof a wound between the knuckles of the hand and the lower halfof the forearm. There appear to be some hundreds of pellets andmetallic fragments. Abdominal colic, a blue line on the gums, and * Le Caducee, Journal of Army Medicine, September 7, 1901, p. 53. MEDICAL AND SURGICAL APPLICATIONS 139 other signs of lead-poisoning occurred. Operation on the arm wasfollowed by recovery, with good movement of the Fig. 69.—Needles in Robert Joness case. Dr. V. Morgan. A most striking instance of the location of a packet of needles inand around the knee. This print has been kindly supplied by Jones, (see Fig. 69). 140 THE RONT&EN RATH IN MEDICAL WORK Localization of Foreign Bodies. In order to localize the exact position in the tissues of a foreignbody, it is often sufficient to take a second £-ray observation atright angles to the first. For instance, let us take Fig. 69, which
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