[MIM*256550] mucolipidosis somewhat like a mild form of Hurler syndrome with coarse facial features, macular cherry red spots, myoclonus epilepsy, mild dysostosis multiplex, and moderate mental retardation due to neuraminidase deficiency; autosomal recessive inheritance caused by mutation in the neuraminidase gene (NEU) on 6p. SYN: lipomucopolysaccharidosis.