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Related Experiment Videos

[Cerebrotendinous xanthomatosis].

R W Baumgartner1, V Hauser, P Grob

  • 1Neurologische Klinik und Medizinische Poliklinik, Universitätsspital Zürich.

Schweizerische Medizinische Wochenschrift
|June 8, 1991
PubMed
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Cerebrotendinous xanthomatosis (CTX) is a rare genetic disorder affecting lipid metabolism. Early diagnosis and chenodeoxycholic acid treatment can halt or reverse neurological damage.

Area of Science:

  • Biochemistry
  • Genetics
  • Metabolic Disorders

Background:

  • Cerebrotendinous xanthomatosis (CTX) is a rare autosomal-recessive inherited disorder.
  • It results from a defect in hepatic mitochondrial steroid 26-hydroxylase.
  • This leads to reduced bile acid synthesis and accumulation of cholestanol and cholesterol.

Observation:

  • Three personal cases of CTX are presented.
  • Clinical symptoms and diagnostic findings are discussed and compared with existing literature.
  • Key symptoms include intellectual impairment, spastic-ataxic signs, juvenile cataracts, and tendon xanthomas.

Findings:

  • Diagnosis is confirmed by elevated serum cholestanol and/or urinary biliary alcohols.
  • Pathological findings relate to lipid accumulation in various tissues.

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  • Reduced biosynthesis of cholic and chenodeoxycholic acid is a key biochemical abnormality.

    • Implications:

    • Early diagnosis of CTX is crucial for effective management.
    • Treatment with chenodeoxycholic acid can halt or partially reverse neurological deficits.
    • CTX should be considered in patients with unexplained neurological and lipid-related symptoms.