system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Raccoon eyes are associated with:
assistant
The correct answer is  Extravasation of blood results in ecchymosis behind the ear, known as Battle's sign. A fracture of the anterior skull base can result in anosmia (loss of smell from damage to the olfactory nerve), CSF drainage from the nose (rhinorrhea), or periorbital ecchymoses, known as raccoon eyes. Ref: Schwaz's principle of surgery 9th edition, chapter 42.