Moreover, medulloblastoma exhibits increased expression of genes such as MYO18B (often absent in other tumors), ERBB2, ERBB4, BMI1, and KLHDC8A (OMIM 607295; OMIM 164831; OMIM 614503; OMIM 155255; OMIM 164870; OMIM 600543). This evidence concerns the gene ERBB2 and medulloblastoma.