The trauma neck zones are as follows: Zone 1 is that portion of the neck from the cricoid cartilage down to the clavicles; Zone 2 is the angle of the mandible to the cricoid cartilage; and Zone 3 is the skull base to the angle of the mandible. These zones are in the same anatomic order as the Le Fort fractures III, II and I.1
September 1999. Arch Surg. 1999;134(9):1001. doi:10.1001/archsurg.134.9.1001
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