A significantly higher percentage of GFAP-positive tumor cells was found in the SHH-subgroup, especially in cases classified as MBDN and MBEN, compared to the WNT and non-WNT/SHH groups (Kruskal–Wallis, p = 0.02; Dunn’s post hoc test, p = 0.01) (Figure 6B). Here, GFAP is linked to neoplasm.