Frey's syndrome is caused by
Post traumatic nerve fibers of facial nerve with parasympathetic of auriculotemporal nerve
Greater auricular nerve with auriculotemporal nerve
Facial nerve with greater auricular nerve
None
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
Ear