Management of sinonasal undifferentiated carcinoma with intracerebral invasion: Clinical experience at a single institution and review of the literature. - Zielinski, Valerie; Laban, Simon; Tribius, Silke; Schafhausen, Phillipe; Veldhoen, Simon; Knecht, Rainald; Clauditz, Till; Muenscher, Adrian (ENT: Ear, Nose & Throat Journal, 2016)