Fractured base of the skull is a rare entity, accounts for about 4% of SEVERE trauma to the skull. The symptoms include:- CSF leakage from the ear (Otorrhea). CSF leakage frome the nose (Rhinorrhea). Ecchymosis around the eye (racoon eye). Ecchymosis over the mastoid process behind the ear (Battle's sign). Blood in the middle ear (Hemotympanum) Optic nerve entrapment Cranial nerves palsy Signs include:- Salty taste Hearing problems (conductive or sensorineural hearing loss, tinnitus, ...) Vision problems This video provides a better overview of the 10 signs and symptoms of a basilar skull fracture.