Table 2:

Characteristics and results of the cases with astrocytoma, IDH-mutant, CNS WHO grades 2–4

Case	Age (yr)	Subgroup	Fusion/Methylation Analysis	T2-FLAIR Mismatch Sign (S) or Area (A)	Histology
Case	Age (yr)	Subgroup	Fusion/Methylation Analysis	T2-FLAIR Mismatch Sign (S) or Area (A)	Microcysts	Enlarged Intercellular Spaces
12	17.7	IDH +, WHO 2	IDH (R132H), ATRX, TP53	+ (A)	+	+
13	9.2	IDH +, WHO 2	IDH (R132H), TP53	–	+	+
14	18.7	IDH +, WHO 2	IDH (R132H), ATRX, TP53	+ (S)	–	+
15	14.0	IDH +, WHO 2	IDH (R132H), ATRX, TP53	–	+	+
16	10.6	IDH +, WHO 2	IDH (R132H), TP53	–	–	+
17	4.0	IDH +, WHO 2	IDH (R132H), PIK3CA, NF1	–	+	–
18	17.1	IDH +, WHO 3	IDH (R132H), PTEN, TP53	–	+	+
19	15.6	IDH +, WHO 4	IDH (R132H), TP53, MSH6, ATRX, CDKN2A, CIC.	–