Preoperative magnetic resonance imaging-based nomogram for predicting overall survival in patients with glioma: a multicenter study.
BACKGROUND Glioma prognostication relies on histopathological and molecular assessment requiring tissue sampling. Accessible tools for noninvasive preoperative prognostication remain limited. METHODS This multicenter retrospective study included 1992 patients (1207 in the training dataset [TD] and 785 in the external...