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
Phelps sign is seen in
assistant
The correct answer is  Phelps sign is the loss of crust of bone between the carotid canal and jugular bulb in glomus jugulare as seen in CT scan. Ref: Dhingra 7th edition pg.122