<prompt> Which of the following is not a sign of the skull base fracture?Fox signHalo signBattle signRacoon eyes  <response>: Skull base fracture can have the following presentation: Battle sign: Ecchymosis at the mastoid process due to extravasation of blood Racoon eye Black eye: Ecchymoses in the periorbital area Target sign Halo sign: Cerebrospinal fluid CSF rhinorrhea Hemotympanum Damage to Cranial nerves VII or VIII - Fox sign is seen in acute hemorrhagic pancreatitis due to bruising over the inguinal ligament. 