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Fig. 6E. —Le Fort II fracture. To classify this Le Fort fracture, look
at the following four facial segments: pterygoid processes (fractured in this
case: Le Fort fracture is most likely present), anterolateral margins of nasal
fossa above maxillary alveolar ridge (intact: Le Fort I is excluded), inferior
orbital rims (fractured: Le Fort II is likely present), and zygomatic arches
(intact: Le Fort III is excluded). Le Fort II fracture is confirmed by noting
other expected fractures in plane of Le Fort II fracture. Axial CT image shows
fractures of anterior portion of medial orbital walls (arrows), as is
expected in Le Fort II fracture.
