In α-dystroglycanopathies [30], GPR56-related polymicrogyria [31], and Poretti-Boltshauser syndrome due to LAMA1 mutations [32, 33], cerebellar dysplasia is typically associated with cerebellar cysts. This evidence concerns the gene ADGRG1 and neuromuscular disease caused by qualitative or quantitative defects of alpha-dystroglycan.