DS	Down syndrome
MB	medulloblastoma
WNT	wingless
CNS	central nervous system
CPS	cancer predisposition syndrome
CT	computed tomography
MRI	magnetic resonance imaging
SNP	single nucleotide polymorphism
NGS	next-generation sequencing
CES	clinical exome sequencing
CH	congenital hypothyroidism
ABD	adaptor-binding domain
CNS-PNET	central nervous system primitive neuroectodermal tumors
SHH	Sonic hedgehog
CGNPs	cerebellar granule neuron progenitor cells