File:The Röntgen rays in medical work (1899) (14570274418).jpg

Identifier: rntgenraysinmedi00wals (find matches)
Title: The Röntgen rays in medical work
Year: 1899 (1890s)
Authors: Walsh, David
Subjects: X-rays Radiography X-Rays Radiography
Publisher: London : Baillière, Tindall and Cox
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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the lower.and 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 a disc-shaped fragment of a bullet the size ofa franc. Soon after a second piece, as large as a lentil, wastaken away, followed by a third two and a half months later,but it was a year before the thumb regained its movements.* A radiogram of the hand by Messrs. Joubert and Bertin-Sansshowed (1) a slight depression upon the metacarpal bone, doubt-less due to the destruction of the periosteum by the projectile,and (2) the presence in the ball of the thumb of much metallicdebris.. By the courtesy of Dr. Mandras, the photograph is re-produced in Fig. 34. Localization of Foreign Bodies In order to localize the exact position in the tissues of a foreignbody, it is often needful to take a second a?-ray observationat right angles to the first. For instance, let us take Fig. 35,
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Fig. 35.—Needle in Finger, showing Eye. which shows a needle to be imbedded in the finger. With sosmall an object, the surgeon has no clue as to whether it liesback or front of the digit. A cross-photograph, however, will atonce settle the point. When the fluorescent screen is used, the surgeon might insome cases be able to localize by means of acupuncture needles.Thus, he might take two views at right angles, and in each passacross the field a needle until it apparently touched the foreignbody, or he might first accurately fix the shadow and push anacupuncture needle straight into the tissues in the directionindicated, and then, by a cross-view, ascertain the exact depth to * Radiographic en Medecine, par V. Mandras, M.D., Bailliere, Paris, 1896,p. 28. 7 j-i.-i—A 90 THE RONTGEN RA YS IN MEDICAL WORK which the needle should be carried. Such a proceeding wouldobviously be confined in its application to the less vital regions. Other aids to the correct reading of the record of a for

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