Niemann-Pickin oireyhtymä

Niemann-Pick disease type A is a very severe subtype of Niemann-Pick disease, an autosomal recessive lysosomal disease, and is characterized clinically by onset in infancy or early childhood with failure to thrive, hepatosplenomegaly, and rapidly progressive neurodegenerative disorders.

Niemann-Pick disease type B is a mild subtype of Niemann-Pick disease, an autosomal recessive lysosomal disease, and is characterized clinically by onset in childhood with hepatosplenomegaly, growth retardation, and lung disorders such as infections and dyspnea

Niemann-Pick disease type C (NP-C) is a lysosomal lipid storage disease (see this term) characterized by variable clinical signs, depending on the age of onset, such as prolonged unexplained neonatal jaundice or cholestasis, isolated unexplained splenomegaly, and progressive, often severe neurological symptoms such as cognitive decline, cerebellar ataxia, vertical supranuclear gaze palsy (VSPG), dysarthria, dysphagia, dystonia, seizures, gelastic cataplexy, and psychiatric disorders.
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