Agenesis of Bilateral Internal Carotid Arteries in the PHACE Syndrome We read with interest the paper by Weon et al, in which they described the case of a 14-year-old girl with a complex association of agenesis of the bilateral internal carotid arteries with transcranial collaterals from the external carotid artery, agenesis of the vertebrobasilar system, hypoplasia of the right cerebellar hemi...
