T1 coronals post-gad

Findings: Enhancing right CP angle mass (a) with a cystic component (b) extending into the internal auditory canal (iac) and effacing the pons. Occipital condyle (occ). Vertebral artery (vert). 3rd ventricle (3v). Perimesencephalic cistern (pmc). Obliquus capitis inferior m (oci). Jugular bulb (jug). Lateral mass of C1 (C1).