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An orbital blowout fracture is a traumatic deformity of the orbital floor or medial wall that typically results from the impact of a blunt object larger than the orbital aperture, or eye socket. [1] Most commonly this results in a herniation of orbital contents through the orbital fractures. [ 1 ]
The zygomaticomaxillary complex fracture, also known as a quadripod fracture, quadramalar fracture, and formerly referred to as a tripod fracture or trimalar fracture, has four components, three of which are directly related to connections between the zygoma and the face, and the fourth being the orbital floor.
The Le Fort III fracture (transverse fracture) occurs at the level of the skull base, resulting in complete craniofacial separation of the midface from the base of the skull. [ 2 ] [ 3 ] The fracture line extends through the zygomatic arch , the pterygoid plates , the lateral and medial orbital walls , the nasal bones , and the nasal septum .
Transverse fractures may extend into the orbital roofs or the ethmoid plate, causing periorbital hemorrhage or extensive nasal bleeding, respectively. A fracture through the sella can lead to profuse blood aspiration. A common mechanism for transverse fractures is a sharp blow to the chin, such as a fall onto a hard surface.
The orbital surface presents medially by trochlear fovea and laterally by lacrimal fossa. [8] The floor (inferior wall) is formed by the orbital surface of maxilla, the orbital surface of zygomatic bone and the minute orbital process of palatine bone. Medially, near the orbital margin, is located the groove for nasolacrimal duct. Near the ...
Toronto Raptors forward Scottie Barnes will miss at least three weeks because of a right orbital fracture, the team said Wednesday. Barnes was struck by Denver’s Nikola Jokic while battling for ...
Barnes has averaged 19.3 points, 7.8 rebounds and six assists this season. The former Rookie of the Year put up a career-high 19.9 points and 8.2 rebounds last season while earning his first All ...
The porous fragile nature of the ethmoid bone makes it particularly susceptible to fractures. The ethmoid is usually fractured from an upward force to the nose. This could occur by hitting the dashboard in a car crash or landing on the ground after a fall. The ethmoid fracture can produce bone fragments that penetrate the cribriform plate.