<prompt> Battles sign is -Ecchymosis on the mastoidBledding through the yearCSF RhinorrhoeaPeriorbital ecchymosis  <response>: Ans. is a i.e., Ecchymosis on the mastoid o Battles sign or mastoid echymosis is bruising or ecchymiosis over the mastoids i.e. behind the ear. Seen in pterous temporal bone base-of-skull fractureo Raccoons sign or periorbital ecchymosis is seen in fracture of anterior cranial fossa. 