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Updated: Aug 11, 2026

Isolation of Neonatal Extrahepatic Cholangiocytes
07:54

Isolation of Neonatal Extrahepatic Cholangiocytes

Published on: June 5, 2014

Familial cholestasis with gallstone, ataxia and visual disturbance

Y Tazawa, T Konno

    The Tohoku Journal of Experimental Medicine
    |June 1, 1982
    PubMed

    Insights

    This study reports on two siblings with progressive intrahepatic cholestasis, a severe liver condition. The findings highlight unique clinical features and persistent high bile acid levels, suggesting a complex genetic basis for this rare disorder.

    Area of Science:

    • Hepatology
    • Genetics
    • Pediatric Gastroenterology

    Background:

    • Progressive intrahepatic cholestasis is a severe liver disease affecting infants and children.
    • Genetic factors are implicated in the pathogenesis of intrahepatic cholestasis.
    • Understanding the clinical spectrum and biochemical markers is crucial for diagnosis and management.

    Observation:

    • Two siblings presented with progressive intrahepatic cholestasis and obstructive jaundice.
    • The sister exhibited unique features: gallstones, neurological abnormalities (ataxia, ptosis), and retinal degeneration.
    • Persistent hypercholanemia was observed, irrespective of jaundice status.

    Findings:

    • The brother succumbed to hepatic failure at age 4.
    • The sister showed no improvement with cholestyramine treatment for pruritus.
    • Serum lipoprotein-X was consistently negative, differentiating from other cholestatic conditions.

    Implications:

    • This case series expands the understanding of rare genetic cholestatic disorders.
    • Early identification of neurological and ophthalmological complications is vital.
    • Further research into the genetic underpinnings of this familial cholestasis is warranted.

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