MSH6 and Gerstmann syndrome: They concluded that most of these mutations overlap with GBM and other cancers; nevertheless, GS has its own genetic mutations, such as MutS Homolog 6 (MSH6), B-Raf proto-oncogene serine/threonine kinase (BRAF), Suppressor of Zeste 12 (SUZ12), Sex Determining Region Y Box Transcription Factor 2 (SOX2), and Box and WD Repeat Domain Containing 7 (FBXW7) [2,7,11,16,60].