Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2020. Module: SNOMED CT core
Descriptions:
Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
Post poliomyelitis syndrome | Is a | True | Progressive muscular atrophy | Inferred relationship | Some | |
A rare genetic neurodegenerative disease characterized by neonatal to infantile onset of hypotonia, developmental delay, regression of motor skills with distal amyotrophy, ataxia, and spasticity, absent speech or dysarthria, and moderate to severe cognitive impairment. Optic atrophy may also be associated. Brain imaging shows cerebellar atrophy and thin corpus callosum, as well as brain iron accumulation in the pallidum and substantia nigra beginning during the second decade of life. | Is a | True | Progressive muscular atrophy | Inferred relationship | Some |
This concept is not in any reference sets