Advancing CNS tumor diagnostics with expanded DNA methylation-based classification

Sill M, Schrimpf D, Patel A, Sturm D, Jäger N, Sievers P, Schweizer L, Banan R, Reuss D, Suwala A, Korshunov A, Stichel D, Wefers AK, Hau AC, Boldt H, Harter PN, Abdullaev Z, Benhamida J, Teichmann D, Koch A, Hench J, Frank S, Hasselblatt M, Mansouri S, Díaz de Ståhl T, Serrano J, Ecker J, Selt F, Taylor M, Ramaswamy V, Cavalli F, Berghoff AS, Bison B, Blattner-Johnson M, Buchhalter I, Buslei R, Calaminus G, Dikow N, Dohmen H, Euskirchen P, Fleischhack G, Gajjar A, Gerber NU, Gessi M, Gielen GH, Gnekow A, Gottardo NG, Haberler C, Hamelmann S, Hans V, Hansford JR, Hartmann C, Heppner FL, Driever PH, von Hoff K, Thomale UW, Tippelt S, Frühwald MC, Kramm CM, Schüller U, Schittenhelm J, Schuhmann MU, Stein M, Ketteler P, Ladanyi M, Jabado N, Jones BC, Jones C, Karajannis MA, Ketter R, Kohlhof P, Kordes U, Reinhardt A, Kölsche C, Lamszus K, Lichter P, Maas SLN, Mawrin C, Milde T, Mittelbronn M, Monoranu CM, Mueller W, Mynarek M, Northcott PA, Pajtler KW, Paulus W, Perry A, Blümcke I, Plate KH, Platten M, Preusser M, Pietsch T, Prinz M, et al

Cancer Cell. 2026; doi: 10.1016/j.ccell.2025.11.002

We present the Heidelberg CNS Tumor Methylation Classifier version 12.8 (v12.8), trained on 7,495 methylation profiles, which expands recognized entities from 91 classes in version 11 (v11) to 184 subclasses.