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
Frey's syndrome is caused by
assistant
The correct answer is  Frey&;s syndrome results from parotid surgery due to aberrant regeneration of parasympathetic fibres of the facial nerve and auriculotemporal nerve. Ref: Dhingra 6th edition pg. 98