. Injuries and diseases of the jaws : the Jacksonian prize essay of the Royal College of Surgeons of England, 1867. he mouth, however, the tumour wasat once obvious, and is seen in a cast taken from the jaw atthat time (tig. 96). The right side of the lower jaw is seento be greatly expanded from immediately in front of theramus to beyond the median line, the tumour measuringtwo inches across at the broadest part, and reaching underthe tongue. Its surface was lobulated and rounded, firmand osseous in the greater part, but yielding distinctly onpressure in two or three places. The mucous membran
. Injuries and diseases of the jaws : the Jacksonian prize essay of the Royal College of Surgeons of England, 1867. he mouth, however, the tumour wasat once obvious, and is seen in a cast taken from the jaw atthat time (tig. 96). The right side of the lower jaw is seento be greatly expanded from immediately in front of theramus to beyond the median line, the tumour measuringtwo inches across at the broadest part, and reaching underthe tongue. Its surface was lobulated and rounded, firmand osseous in the greater part, but yielding distinctly onpressure in two or three places. The mucous membrane 208 TUMOURS OF THE LOWER JAW. was entire over the tumour, except at one point wliere therewas an opening, from wliich a discharge constantly incisor teeth of the right side were displaced over to theopposite side, and were loose. The central incisor of theleft side was displaced completely in front of the other left canine and bicuspids were firmly fixed. Notwith-standing the size of tlie tumour, the outline of the lowerborder of the jaw was scarcely interfered with, the disease Fig. being mainly confined to the alveolar portion of the bone;and I, therefore, decided to operate from within the mouth,so as to avoid, if possible, all external scar. On November 10 tlie patient was put under chloroform,and, a gag having been introdi;ced on the left side, I firstextracted the four incisors, and then made a free incisionwith a stout scalpel alf)ng tlie upper surface of the tumour,cutting easily through the thin Ijone and tliick membraneforming its upper wall. A quantity of dark-coloured cysticfluid at once escaped, and I then cleared out tlie semi-solidcontents with the finger and Kouge. The finger introduced MULTILOCULAR CYSTIC TUMOUli. 209 into the cavity passed completely under the canine andbicuspid teeth of the opposite side without disturbing next cut away a portion of the cyst-wall with scissors, andcrushed together the remainder, as far as I
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