Spinal muscular atrophy (SMA) is a relatively rare autosomal recessive neurodegenerative disease, characterised by skeletal muscle weakness and atrophy. It is caused by mutations in the survival motor neuron 1 (SMN1) gene [
1]. Neuronal ceroid-lipofuscinosis (NCL) is a rare lysosomal lipid storage disorder characterised by the pathological accumulation of lipopigments within lysosomes [
2]. Autosomal recessive ANCL is also known as Kufs disease, which clinically presents as progressive myoclonic epilepsy, behavioural abnormalities, dementia, ataxia, late-onset pyramidal and extrapyramidal symptoms, usually without visual impairment [
2]. To our knowledge, there have been no reports of SMA combined with Kufs disease. Here we report a family with both SMA and ANCL. …