Lyre sign is seen in-
Ans. is 'd' i.e., Carotid body tumor * Lyre sign refers to splaying of the internal and external carotid artery at the bifurcation of the common carotid artery caused by carotid body tumor. Classically described on angiography it is also visible on CT angiography.
Meningioma
Acoustic neuroma
Sagittal sinus thrombosis
Carotid body tumor
Nervous System