Which finding is most consistent with a basilar skull fracture?

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Bruising behind the ear, known as Battle's sign, is a classic finding that is highly indicative of a basilar skull fracture. Other possible signs and symptoms include cerebrospinal fluid leakage from the nose or ears, raccoon eyes (bruising around the eyes), hearing loss or tinnitus, facial weakness or numbness, and difficulty swallowing or speaking. Altered mental status and bilateral constricted pupils may also be present, but they are not specific to basilar skull fractures and can occur in other types of head injuries as well. A hematoma over the occipital region may indicate a scalp laceration or contusion, but it is not a definitive sign of basilar skull fracture.

Which Finding Is Most Consistent with a Basilar Skull Fracture