Leukoencephalopathy, Brain Calcifications, and Cysts, also known as leukoencephalopathy with calcifications and cysts, is related to cerebroretinal microangiopathy with calcifications and cysts 1 and hepatocellular carcinoma, and has symptoms including ataxia, hemiplegia and muscle spasticity. An important gene associated with Leukoencephalopathy, Brain Calcifications, and Cysts is SNORD118 (Small Nucleolar RNA, C/D Box 118). Affiliated tissues include brain and bone, and related phenotypes are cerebral calcification and leukoencephalopathy