. The Röntgen rays in medical work . glancedround the bone, and caused an extensive laceration of the tissuesat the lower and inner part of the thenar eminence. Forty days after the accident the wound was healed, bub therewas complete loss of power of the thumb. Professor Dubreuilextracted a disc-shaped fragment of a bullet the size of a after a second piece, as large as a lentil, was taken away,followed by a third two and a half months later, but it was a yearbefore the thumb regained its movements.* * Radiographie en Medecine, par V. Mandras, , Paris Thesis (Bailliere,Paris, 1
. The Röntgen rays in medical work . glancedround the bone, and caused an extensive laceration of the tissuesat the lower and inner part of the thenar eminence. Forty days after the accident the wound was healed, bub therewas complete loss of power of the thumb. Professor Dubreuilextracted a disc-shaped fragment of a bullet the size of a after a second piece, as large as a lentil, was taken away,followed by a third two and a half months later, but it was a yearbefore the thumb regained its movements.* * Radiographie en Medecine, par V. Mandras, , Paris Thesis (Bailliere,Paris, 1896, p. 28). 138 THE RONTGEN RA YS IN MEDICAL WORK A radiogram of the hand by Messrs. Jouhert and Bertin-Sansshowed (1) a slight depression upon the metacarpal bone, doubtlessdue to the destruction of the periosteum by the projectile, and(2) the presence in the ball of the thumb of such metallic the courtesy of Dr. Mandras, the photograph is reproduced inFig. 68. Nimier and Laval* have published an interesting article upon. 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 fingers.
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