“…Psychotic symptoms have not previously described in Fucosidosis, but a number of LSDs present with neuropsychiatric symptoms at various stages of the disease process such as Alpha-mannosidosis, Niemann-Pick type C or later onset forms of GM2 gangliosidosis [ 30 , 31 ]. Oligosaccharidoses may have psychotic symptoms in adult or adolescent-onset forms, and they are indistinguishable from typical psychotic presentations of schizophrenia [ 31 ]. Psychiatric symptoms may even be the first manifestation of oligosaccharidoses [ [32] , [33] , [34] , [35] ].…”