It is my purpose to deal with injuries of the spinal cord secondary to external violence, such as gunshot wounds, fracture-dislocation of the spinal column with involvement of the cord, and involvement of the cord in spinal concussion without spinal lesion. At this time I shall not discuss injuries of the cord from stab wounds.
There are a few points concerning the anatomy of the spinal column to which I wish to call attention before discussing any cases of fracture-dislocation. From our standpoint, the spinal column consists of twenty-four true vertebræ. The sacrum, which is morphologically five vertebræ, we consider in the light of a single bone. Of the coccyx I shall say very little, as it is interesting, chiefly, on account of a possibly faulty ankylosis in cases of fracture or contusion. The ligaments of the spinal column, next to the bony conformation of the vertebræ themselves, play the
ALLEN AR. INJURIES OF THE SPINAL CORD, WITH THE STUDY OF NINE CASES WITH NECROPSY. JAMA. 1908;L(12):941–952. doi:10.1001/jama.1908.25310380013002c
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