Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0013421 (dystonia)
 8,418 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Niemann-Pick disease type C is a rare progressive genetic disorder that leads to the abnormal accumulation of lipids within various tissues of the body, including brain tissue and liver. There is a rapid progression of the disease, resulting in severe disability in only a few years after the first symptoms, and survival is not much longer. Spasticity, dystonia, and chronic pain are common findings that severely impact quality of life in these patients. Analgesic management with traditional pain medications is not always effective, and the risk for secondary effects in medically complex patients is high. Liver function is also a limiting factor in these patients. This is a case report of a boy with advanced Niemann-Pick disease type C with developmental regression, cataplexia, and seizures. His severe spasticity made positioning and care difficult, and intense pain required multiple hospitalizations. He had unsuccessfully trialed multiple drugs. An intrathecal baclofen pump was placed without surgical complications and resulted in positive clinical effects. Baclofen pumps have classically been used for spasticity management in adults and children with nonprogressive diseases such as cerebral palsy or spinal cord injury with relatively long life expectancies. In adults, they have been used in patients with multiple sclerosis; however, use in pediatric neurodegenerative diseases has scarcely been reported. The use of intrathecal baclofen in palliative settings might provide an additional resource to provide comfort and quality of life for children with neurodegenerative diseases not only at end-of-life stages but also earlier on.
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PMID:The Palliative Use of Intrathecal Baclofen in Niemann-Pick Disease Type C. 3164 37

Sea-blue histiocytes in bone marrow can be associated with a number of conditions and have indeed often been reported in Niemann-Pick diseases, mostly in Niemann-Pick type B, but also Niemann-Pick type C. Rarely, it was reported to be related to a progressive neurological condition. In this work, early bone marrow aspirations in a boy following the discovery of hepatosplenomegaly at 1 month of age and later isolated splenomegaly did not reveal abnormal cells (which is not uncommon). Numerous sea-blue histiocytes were found in a repeated exam when the child was 10-year old, at a time he had developed a progressive neurological condition with frequent falls, clumsiness, slow and slurred speech, intellectual disability, dystonic movements, and dysphagia. Acquired sea-blue histiocytes should be considered initially on the basis of clinical symptoms. Whole-exome sequencing identified two variants in the NPC1 gene, leading to the diagnosis of Niemann-Pick type C1. This case points out the presence of sea-blue histiocytes in the bone marrow and has helped to reach a diagnosis of NPC1 which was very difficult to establish even after years of study. Given the rarity of this pathology and the variety of clinical presentations, it is important to communicate the possible forms of presentation of this syndrome.
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PMID:A progressive neurological condition with acquired sea-blue histiocytosis further the diagnosis of Niemann-Pick type C1 in a 10-year-old boy. 3231 43


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