Werdnig-Hoffmann disease (DOID:13137)
Alliance: disease page
Synonyms: hereditary motor neuropathy proximal type I; HMN (Hereditary motor Neuropathy) Proximal type I; infantile muscular atrophy; progressive muscular atrophy of infancy; SMA1; Spinal muscular atrophy 1
Alt IDs: OMIM:253300, ICD10CM:G12.0, ICD9CM:335.0, MESH:D014897, NCI:C98670, UMLS_CUI:C0043116
Definition: A childhood spinal muscular atrophy that is a severe form and is characterized by muscle weakness onset from birth to six months of age, the inability to sit unassisted.