Article
T2-FLAIR Mismatch Positive IDH-mutant Astrocytomas: Can We Identify High-grade Tumors Among them Before Surgery?
Academic radiology - 1 Sept 2026
He Lei, Liu Hanjie, Wang Lei, Luo Mingfang, Hou Xiaolin, Xu Can, Xu Ruxiang, Yin Longlin, Feng Jinzhou
Abstract excerpt
RATIONALE AND OBJECTIVES: This study aims to establish a nomogram predictive model capable of identifying high-grade tumors among IDH-mutant astrocytomas exhibiting positive T2-FLAIR mismatch sign (T2FM) before surgery. MATERIALS AND METHODS: We collected T2FM-positive IDH-mutant astrocytomas from three distinct centers. Using data from one center as the training set (154 cases) to establish predictive model....
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