This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Battles sign is extopic manifestation of? 
Select and explain. 
A. Anterior cranial fossa fracture, B. Middle cranial fossa fracture, C. Posterior cranial fossa fracture, D. Orbital fracture
B: Middle cranial fossa fracture
Answer: B: Middle cranial fossa fracture 
Explanation: Ecchymosis over the mastoid procens following fracture of middle cranial fossa is called Battles sign.