Fig. 1From: Presence of vascular loop in patients with audio-vestibular symptoms: is it a significant finding? Evaluation with 3-tesla MRI 3D constructive interference steady state (CISS) sequenceDifferent grades of vascular loops in CISS images of the CPA and the IAC with white arrows pointing to the corresponding vascular loop. (a) grade I, (b) grade II, and (c) grade IIIBack to article page