Orbital Floor Fracture Ppt

Orbital fat prolapses into the maxillary sinus and may be joined by prolapse of the inferior rectus muscle.

Orbital floor fracture ppt. Inferior floor medial wall lamina papyracea superior roof lateral wall. Pathophysiology of orbital fractures 21. Orbital floor fracture also known as blowout fracture of the orbit. Occasionally patients may have diplopia in primary gaze and even in horizontal gaze but these presentations are much less common.

Smith b lisman rd simonton j della rocca r. Maximum vertical dimension 1 5 cm behind rim. A blowout fracture of the orbital floor is defined as a fracture of the orbital floor in which the inferior orbital rim is intact. Direct fractures of the orbital floor can extend from fractures of the inferior orbital rim.

Blowout fractures can occur through one or more of the orbital walls. Indications for repair of the orbital floor in these cases are the same as those for indirect blowout fractures. Indirect fractures of the orbital floor are not associated with fracture of the inferior orbital rim. Patients with an orbital floor fracture may present with a tropia misalignment of the eyes in upgaze and or downgaze with the affected side demonstrating limitation of full movement.

Floor is concave and then convex. Maxillary and periorbital fractures classic tripod orbital floor lefort fractures better thought of as. Orbital blowout fractures anatomy and mechanism of injury. Powerpoint ppt presentation free to view.

A total orbital floor fracture with prolapse of the globe into the maxillary sinus manifesting as post enucleation socket syndrome. In patients with facial fractures 20 to 25 percent include orbital involvement at some level. A softball to the eye a tumble to the floor a gunshot wound while hunting or a wayward fist at a local watering hole all might send a patient to the trauma center with an orbital or ocular injury. Blowout fractures blowout fractures now refer to fractures of the.

Orbital floor medial wall lateral wall superior wall pure blowout fractures trapdoor rotation to bone fragments involving central area of bone impure fracture fracture line extends to orbital rim 22. Inferior blowout fractures are the most common. Ophthal plast reconstr surg. Inferior blowout fractures involving the floor of the orbit maxillary sinus roof are the most common followed by medial wall blowout fractures.