Fractures Orbital Roof And Blowout

Christina gillespie md.

Fractures orbital roof and blowout.

Three important apertures at the apex of bony orbit optic canal superior orbital fissure inferior orbital fissure 14. The frontal sinus is often involved. Orbital fracturesorbital blowout fractures 1 orbital fractures orbital blowout fractures. A crack in the very thin bone that makes up these walls can pinch muscles and other structures around the eye keeping the eyeball from moving properly.

Blowout fractures can occur through one or more of the orbital walls. Signs and symptoms. Break in the floor or the orbital socket resulting from a direct blow to the eye. Inferior floor medial wall lamina papyracea superior roof lateral wall.

Types of fractures. The bony orbit is a. Orbital injuries warranting surgical intervention are infrequent in the paediatric population but blowout trap door fractures are unique in children and may constitute a relative surgical. Most roof fractures are associated with other orbital fractures and result from significant head trauma as a high degree of force is required to fracture this portion of the orbit.

A blowout fracture is a break in the floor or inner wall of the orbit or eye socket. Orbital roof blow out fractures 531 blow out fractures usually involve the floor or medial wall of the orbit. The floor is likely to collapse because the bones of the roof and lateral walls are robust. Another mechanism of injury is a blow in fracture where there is an inferiorly directed supraorbital force.

Inferior blowout fractures are the most common. Getting hit with a baseball or a fist often causes a blowout fracture. Fractures orbital roof and blowout caused by a direct blow to the eye. Isolated orbital roof fractures in adults are uncommon comprising 12 19 of all orbital wall fractures.

Two cases of orbital roof blow out fractures are presented including plain films and tomographic findings. 2 topics for discussion. Most commonly the inferior orbital wall i e. The bony orbit refers to the shell of bone which surrounds and protects the eye.

Different types of blowout fracture. 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. The comparatively thin bone of the floor of the orbit. Although the bone forming the medial wall is thinnest it is buttressed by the bone separating the ethmoidal air cells.