What Is It?

Case courtesy of Dr. Alexandra Stanislavsky

This is a coronal CT demonstrating a left occipital condyle fracture. Condyle fractures usually occur from high energy, non-penetrating trauma to the head and neck. Of patients presenting with an occipital condyle fracture, approximately 63% will have other neurological deficits, usually involving CNs IX, X, and XI. There are three types of condyle fractures according to the Anderson Montesano Classification: Type I) minimal fragment displacement, Type II) associated with other basilar skull fractures, Type III) avulsion fracture with displacement of fragments.

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