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. The gene discussed is ADGRG1; the disease is Ataxia-intellectual disability-oculomotor apraxia-cerebellar cysts syndrome.