obsolete_Infantile neuroaxonal dystrophy true INAD http://purl.obolibrary.org/obo/MONDO_0024457 PLAN Infantile neuroaxonal dystrophy/atypical neuroaxonal dystrophy (INAD/atypical NAD) is a type of neurodegeneration with brain iron accumulation (NBIA; see this term) characterized by psychomotor delay and regression, increasing neurological involvement with symmetrical pyramidal tract signs and spastic tetraplegia. INAD may be classic or atypical and patients present with symptoms anywhere along a continuum between the two. OMIM:610217 orphanet Phospholipase A2-associated neurodegeneration OMIM:256600 Replaced with Mondo term. Seitelberger disease INAD1 3.41.0 ICD10:G23.0