cyp27a1 mutation

A Rare Symptomatic Case of Heterozygous Cerebro-Tendinous Xanthomatosis (CTX) Treated with Urso-Deoxycholic Acid (UDCA): With Mini Review

  • Madhuri Behari*

Published on: 27th May, 2024

Cerebrotendinous Xanthamatosis (CTX) is a rare autosomal recessive disorder caused by a mutation in the CYP27A1 gene leading to impaired metabolism of cholesterol and accumulation of cholestenol and the cholesterol in various tissues such as the brain, eyes, lungs and bones and reduced formation of cheno-deoxycholic acid (CDCA). The clinical presentation is diverse, starting in the early neonatal period and progressing till adulthood unless treated early. A common neurological manifestation is a spino-cerebellar ataxia followed by spastic paraparesis. Tendon xanthoma is a classical finding that usually helps in clinching the diagnosis but may not be present in all cases. Brain MRI also reveals characteristic abnormalities with cerebellar atrophy and hyper-intensities in the dentate nucleus and surrounding cerebellar white matter on T1weighted images. It is a rare cause of treatable ataxia in young individuals. Treatment is by replacement by CDCA or Urso-deoxycholic acid (UDCA). Supplemented with statins these individuals also have premature atherosclerosis causing death due to athero-sclerotic coronary artery disease. Here a rare case of symptomatic heterologous CYP27A1 mutation is reported with syndrome of spino-cerebellar ataxia treated with UDCA.
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AbstractDOI: 10.29328/journal.jnnd.1001098Read Full Article HTMLRead Full Article PDF

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