Adult neurovisceral lipidosis compatible with Niemann-Pick disease type C

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Abstract
The authors present a case of neurovisceral storage disease with the whole of its clinical course confined to adult life (symptoms from 26 to 46 years of age) and marked by mainly neurological symptomatology with dystonia, vertical supranuclear ophthalmoplegia and progressive mental deterioration as the dominant features. From the results of postmortem structural histochemical and chemical analysis the case was diagnosed as Niemann-Pick disease type C. This case, together with sporadic observations reported by other authors, represents a significant shift in our view of the incidence of NPD type C in older age groups.