Fig 1. Six-week-old girl with right periorbital and IAC/CPA hemangiomas.

A, Axial T1 postcontrast image with fat suppression at presentation showing enhancing right orbital and IAC/CPA masses, relative hypoplasia of the right internal carotid artery (arrowhead), and subtle right cerebellar hypoplasia.

B, Coronal T1 postcontrast image with fat suppression at the time of presentation demonstrating the enhancing right CPA mass with a small number of flow voids.

C, D, Axial and coronal T1 postcontrast, fat-suppressed images obtained 2 months following steroid therapy with significant involution of the right IAC/CPA mass (arrowhead, D).