hereditary dementia metachromatic leukodystrophy https://github.com/monarch-initiative/mondo/issues/9097 icd11.foundation:172326564 ICD10CM:E75.25 NCIT:C61251 SCTID:238031009 MESH:D007966 NORD:1369 NANDO:1200078 SCTID:396338004 Orphanet:512 UMLS:C0023522 SCTID:66521008 A rare lysosomal storage disorder characterized by intralysosomal accumulation of sulfatides in various tissues, leading to progressive deterioration of motor and neurocognitive function. MLD MEDGEN:6071 MedDRA:10067609 DOID:10581 NANDO:2200560 GARD:0003230 arylsulfatase A deficiency MONDO:0018868 leukodystrophy sphingolipidosis hereditary peripheral neuropathy