has characteristic has characteristic Infantile onset neuronal ceroid lipofuscinosis infantile neuronal ceroid lipofuscinosis MONDO:0019261 Santavuori-Haltia disease NANDO:1200152 Orphanet:79263 GARD:0009447 A form of neuronal ceroid lipofuscinosis (NCL) characterized by onset during the second half of the first year of life and rapid mental and motor deterioration leading to loss of all psychomotor abilities. SCTID:58258004 icd11.foundation:797123687 UMLS:C0268281 Hagberg-Santavuori disease INCL MEDGEN:75666 NANDO:2201241 NORD:1689 Classic Infantile CLN1 Disease Santavuori disease infantile NCL progressive myoclonus epilepsy cerebral lipidosis with dementia