neurodegenerative disease corticobasal syndrome Orphanet:454887 Corticobasal syndrome (CBS) is a rare neurodegenerative disease characterized by multifaceted motor system dysfunctions and cognitive defects such as asymmetric rigidity, bradykinesia, limb apraxia, and visuospatial dysfunction. ICD10:G31.0 UMLS:CN237765 MONDO:0018696