Frontal Bone Fracture Extending into the Roof and Medial Wall of Orbital Fracture Causing Diplopia

Abstract

Fractures of the anterior cranial fossa can extend into the orbit and, if not detected early, can lead to either acute (e.g., diplopia, retrobulbar hematoma, and enophthalmos) or chronic complications (e.g., diplopia, restricted extraocular movement, ectropion, and enophthalmos). We report a case of a 15-year-old male child who sustained frontal bone fracture extending into the orbit. He had swelling of the right eye, and once the swelling subsided, he complained of diplopia. Computed tomography scan of the brain showed comminuted depressed frontal bone fracture extending more on the right side—the fracture was extending into the right orbital roof and associated fracture of the right medial orbital wall. The child underwent elevation of depressed bone fragments including decompression of the medial rectus muscle. Frontal bone fragments was replaced and secured with miniplates and screws. His diplopia completely recovered and he is doing well at follow-up.

Keywords

orbital wall fractures - diplopia - medial orbital wall - extraocular muscle entrapment - skull fracture

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