Phelps sign is seen in: (A) Glomus jugulare, (B) Vestibular Schwannoma, (C) Menniers disease, (D) Neurofibromatosis
Answer is A. 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