Tripod fracture

Zygomaticomaxillary complex fracture
Most common facial fracture (40%)
All 3 major attachments of zygoma are seperated from face
Diastasis of zygomaticofrontal suture
Due to direct blow to zygoma
All three lines of Dolan are abnormal
Other findings: trapping of extraocular muscles, restrict movement of mandible, involvement of orbital apex or optic canal

Images:
Tripod fracture:
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Zygomaticofrontal fixation:
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