File:Radiography, x-ray therapeutics and radium therapy (1915) (14754420931).jpg

Identifier: radiographyxrayt00knoxuoft (find matches)
Title: Radiography, x-ray therapeutics and radium therapy
Year: 1915 (1910s)
Authors: Knox, Robert, 1868-1928
Subjects: Radiography Radiotherapy X-rays
Publisher: London : A. & C. Black
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: MSN

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ry. Any part of the cervical region may be the seat of a dislocation.The appearances are unmistakable when well marked, but the doubt-ful cases give rise toconsiderable difficulty indiagnosis. Fig. 131illustrates a partial frac-ture dislocation of theupper cer\dcal vertebrae.which was not definitelydiagnosed for severalweeks after the injuryoccurred. Injuries of theDorsal Vertebrae.—The dorsal spme may beinvolved in injmies ofthe thorax. Ribs maybe fractured and the ver-tebral column crushed,or partial dislocationmay be present. Twopositions are useful : (1)a postero-anterior, thatis, the plate on the backand the tube in front ;(2) a lateral, to showthe bodies of the verte-brae. It is often ex-tremely difficult to show fractures of the posterior parts of the spinal column.Crushing and displacement of the bodies may be clearly^indicated. Fractureof the transverse process sometimes occurs. When there is considerabledisplacement it is possible to demonstrate the position of the lesion.
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Fig. 1.32.—Fractures of vertebral border ot scapula and three ribs(gunshot wound). Fracture of the Ribs The demonstration of fracture of the ribs is often a matter of greatdifficulty. This is particularly so when the bone is broken through and nodisplacement takes place. When there is considerable displacement thefracture shows up readily. The best positions for showing fractures of these 158 EADIOGRAPHY bones are antero-posterior and lateral. The latter is often a difficult positionin which to show a fracture, especially in stout patients. Fracture of the Clavicle (1) At the acromial end external to the trapezoid ligament, usually pro-duced by direct violence. The inner fragment retains its position unaltered,but the outer fragment is dragged down by the weight of the arm, and for-wards by the action of the muscles, so that it lies at right angles to the restof the bones. (2) Between the coraco-clavicular hgaments. There is httle displace-ment. It may be shown radiographically as a

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