Infra Orbital Floor Fracture

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Infra orbital floor fracture.

Orbital wall fractures can either be isolated or combined with a fracture of one of the contiguous bones of the orbital rim. Fractures of the orbital floor are common. The malar complex is also commonly fractured in isolation by a blow to that area. Fracture severity ranges from small minimally displaced fractures of an isolated wall that require no surgical intervention to major.

It is estimated that about 10 of all facial fractures are isolated orbital wall fractures the majority of these being the orbital floor and that 30 40 of all facial fractures involve the orbit. This is typically caused by a direct blow to the central orbit from a fist or ball. Orbital fractures are commonly seen with midfacial trauma. Although the bone forming the medial wall is thinnest it is buttressed by the bone separating the ethmoidal air cells.

The anatomy of the orbital floor predisposes it to fracture. Most commonly the inferior orbital wall i e. The presence of a polypoid mass teardrop sign protruding from the floor of the orbit into the maxillary antrum is a classic radiographic finding in blow out fractures. An orbital blowout fracture is a traumatic deformity of the orbital floor or medial wall typically resulting from impact of a blunt object larger than the orbital aperture or eye socket.

Features include edema decreased mobility of extraocular muscles and visual disturbances orbital floor fracture orbit floor fracture. The floor is likely to collapse because the bones of the roof and lateral walls are robust. Concerning isolated orbital wall fractures the most frequently fractured is the orbital floor referred also as a pure blowout fracture. Orbital blowout fractures occur when there is a fracture of one of the walls of orbit but the orbital rim remains intact.

Read more about symptoms diagnosis treatment complications causes and prognosis. The teardrop represents the herniated orbital contents peri orbital fat and inferior rectus muscle. There may be an associated malar fracture and or a fluid level in maxillary sinus. The comparatively thin bone of the floor of the orbit.

The most common orbital injury is a blowout fracture usually involving the orbital floor the medial wall. Dr robert foley and assoc prof frank gaillard et al. This type of fracture is mostly seen in young men and is often a result of motor vehicle accident or violence. Background orbital floor fractures may result when a blunt object which is of equal or greater diameter than the orbital aperture strikes the eye.