This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
Which of the following is not a sign of the skull base fracture? 
Select and explain. 
A. Fox sign, B. Halo sign, C. Battle sign, D. Racoon eyes
A: Fox sign
Answer: A: Fox sign 
Explanation: 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.