The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . a COnoidal pistol-ball dorsal vertebra. The missile and nine frag- / i., ,,v i • , ^ i ^ , i,. i ments of bone are also shown. (Spec. 6738. (c^libre 44), wbich entered One and a half inchesSect. I, A. M. M.) below and a little to the inner side ot the left nipple, passed backward, grazing the apex of the heart,through the left lung, and onward through the body and left transverse process of theninth dorsal vertebra ; it lodged in the subcutaneous tissue of the back, from which itwas extrac
The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . a COnoidal pistol-ball dorsal vertebra. The missile and nine frag- / i., ,,v i • , ^ i ^ , i,. i ments of bone are also shown. (Spec. 6738. (c^libre 44), wbich entered One and a half inchesSect. I, A. M. M.) below and a little to the inner side ot the left nipple, passed backward, grazing the apex of the heart,through the left lung, and onward through the body and left transverse process of theninth dorsal vertebra ; it lodged in the subcutaneous tissue of the back, from which itwas extracted, together with some small fragments of bone, through a small patient was paralyzed below the middle. lie died of traumatic pericarditis andl)neumonia, four days after the wound was inllicted.^ The deep groove across the spinalcolumn which was punched out by the missile, and the comminution of the injured bone,are well depicted. The occurrence of paraplegia, of course, denotes that the spinalcord was also injured. Up. cit., p. 38. « Circular No. 3, S. G. 0., Au<^ust 17, GUNSHOT INJURIES OF THE VERTEBRAE. 7To Sometimes the missile [)unches a ragged hole through the vertebral columnobli(iuely from behind forward, and emerges from tlie body of a vertebra,having ornslicd the spinal cord in its course; as, forinstance, it did in a specimen which the writer con- Fig- 779. tributed to the Army Medical Museum, and Avhichis represented by the annexed wood-cut (Fig. 779): The missile entered through the left intervertebralforamen between the third and fourth lumbar vertebrae,chipping the superior articular process of the fifth and theadjacent portion of the spinous process of the fourth, andfracturing the left transverse process of the fourth, passedobliquely forward and toward the right, and emerged fromthe body of the third lumbar vertebra on its right patient survived long enough for incipient caries toappear in the injured bones. In the celebrate
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