. The Röntgen rays in medical work . cation.* It will be seen, therefore, that the Eontgen methods furnish, asit were, an absolute chart upon which the surgeon may found, Fig. 33.—Bullet in Shoulder, lying on Scapula. Fired from Front.(Dr. Scott, American X-Ray Journal, July, 1899.) not only his diagnosis and plan of operation, but also the hardlyless important point of prognosis. Fig. 32 gives a good idea of the record obtained from smallshot. It was taken from the arm of a gentleman who had beenaccidentally shot twelve months previously. Two pellets lie* The Journal, Chicago, January 16, 189
. The Röntgen rays in medical work . cation.* It will be seen, therefore, that the Eontgen methods furnish, asit were, an absolute chart upon which the surgeon may found, Fig. 33.—Bullet in Shoulder, lying on Scapula. Fired from Front.(Dr. Scott, American X-Ray Journal, July, 1899.) not only his diagnosis and plan of operation, but also the hardlyless important point of prognosis. Fig. 32 gives a good idea of the record obtained from smallshot. It was taken from the arm of a gentleman who had beenaccidentally shot twelve months previously. Two pellets lie* The Journal, Chicago, January 16, 1897, p. 124. 88 THE RONTGEN RA YS IN MEDICAL WORK close to the ulna, a small portion of which is portrayed. Theycaused no trouble, and as the patient was strong and muscular,their presence could hardly have been detected by any othermeans. In cases of this kind, where a foreign body has beenembedded for a long period of time without giving rise to anyinconvenience, it need scarcely be remarked that few surgeonswould counsel Fig. 34.—Thumb showing Leaden Debris and Absorption of Bone (DistalEnd of Metacarpal) after Impact of Bullet. (Mandras.) The above print is from a photographic film, and reverses the light and shadeof an ordinary cc-ray, just as happens when the positive print is taken onsensitized paper. The radiogram of a bullet-wound may help diagnosis in variousways. In the following case, related by Dr. Mandras, of Paris,it threw light upon an injury of the kind long after its infliction : 1 M. JB was struck about fifteen years ago by a bullet from a revolver a little below the distal end of the dorsal surface of thefirst metacarpal. There was no fracture, but the ball glancedround the bone, and caused an extensive laceration of the tissuesat the inner part of the thenar eminence. MEDICAL AND SURGICAL APPLICATIONS 89 1 Forty days after the accident the wound was healed, butthere was complete loss of power of the thumb. ProfessorDubreuil extracted
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