Isolated cerebral Rosai–Dorfman disease presenting as a sole mass protruding into the fourth ventricle: A case report oleh Guillaume Friconnet, MD, Mathilde Duchesne, MD, PhD, Marcel Gueye, MD, François Caire, MD, PhD, Charbel Mounayer, MD, PhD, Jean-François Emile, MD, PhD, François Labrousse, MD, PhD, Aymeric Rouchaud, MD, PhD