[Magnetic resonance imaging and ultrasound study in the diagnosis og facial angiodysplasias in children: competition or collaboration?].

This study deals with the capacities of noninvasive magnetic resonance imaging (MRI) with magnetic resonance angiography (MRA) without administration of magnetic resonance contrast substances in the diagnosis of facial soft tissue angiodysplasias in children. Indications for their use are defined. The methodology of the studies is proposed.