hypomyelinating leukodystrophy 6 https://github.com/monarch-initiative/mondo/issues/6821 https://www.malacards.org/card/leukodystrophy_hypomyelinating_6 HLD6 HABC leukodystrophy, hypomyelinating, type 6 MESH:C567314 NANDO:1200578 OMIM:612438 A leukodystrophy characterized by slowly progressive spasticity, extrapyramidal movement disorders (dystonia, choreoathetosis and rigidity), cerebellar ataxia, moderate to severe cognitive deficit, and anarthria/dysarthria. NANDO:2201290 Orphanet:139441 hypomyelinating leukodystrophy type 6 H-ABC hypomyelination with atrophy of basal ganglia and cerebellum UMLS:C2676244 MONDO:0012905 GARD:0010917 MEDGEN:436642 leukodystrophy, hypomyelinating, with atrophy of the basal ganglia and cerebellum leukodystrophy, hypomyelinating, 6 DOID:0060798 leukodystrophy TUBB4A-related neurologic disorder