Orbital Floor Fracture Usmle

Orbital floor fractures are a type of periocular injury following high velocity blunt trauma to the globe and upper eyelid which present with unilateral periorbital pain edema and or ecchymosis enophthalmos and an orbital rim step off which is confirmed by ct.

Orbital floor fracture usmle. 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 fracture can also affect the muscles and nerves around the eye keeping it from moving properly and feeling normal. Decompression then occurs by fracture of one or more of the bounding walls of the orbit. The anatomy of the orbital floor predisposes it to fracture.

The floor is likely to collapse because the bones of the roof and lateral walls are robust. What are orbital fracture symptoms. Orbital floor fractures may result when a blunt object which is of equal or greater diameter than the orbital aperture strikes the eye or on the cheek 1. Fractures of the orbital floor are common.

Orbital floor fracture this is when a blow or trauma to the orbital rim pushes the bones back causing the bones of the eye socket floor buckle to downward. Orbital floor fracture also known as blowout fracture of the orbit eye socket. Getting hit with a baseball or a fist often causes a orbital blowout fracture. May 15 2019 step 1 registration at ecfmg.

Indirect fractures of the orbital floor are not associated with fracture of the inferior orbital rim. Treatment for orbital fracture comprises of surgery in severe cases and ice packs rest and antibiotics in mild fractures. Direct fractures of the orbital floor can extend from fractures of the inferior orbital rim. Anatomy step 1 usmle press the nbme likes to ask about these types of questions and in this case in an orbital floor fracture what are the structures involved in the injury in this case is the maxillary sinus as depicted in the image below.

April 24 2019 the residency personal statement discussion. 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. May 15 2019 california medical board no more ptal. April 25 2019 what is the ptal for ca programs.

Orbital fracture is a breakage in the bone in the eye socket which can involve the rim the floor or even both.