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Autoimmune Hepatitis Overlap Syndromes

Mixed liver disease combining autoimmune hepatitis with PBC or PSC features

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Internal Medicine department. Book Appointment →

What is Autoimmune Hepatitis Overlap Syndromes?

Autoimmune hepatitis (AIH) overlap syndromes are liver diseases in which features of classic AIH coexist with primary biliary cholangitis (PBC) or primary sclerosing cholangitis (PSC) in the same patient. Diagnosis is based on the combined evaluation of clinical, biochemical, serological, imaging and histological findings.

AIH-PBC overlap is suggested by anti-mitochondrial antibody positivity, elevated ALP/GGT and ductopenia on biopsy. AIH-PSC overlap is recognized by characteristic biliary changes on MRCP or ERCP. Patients are most commonly young adults.

Treatment targets both components: immunosuppression for AIH, ursodeoxycholic acid for PBC and symptomatic plus interventional management for PSC. Liver transplantation is considered in non-responsive disease.

Symptoms

Fatigue and chronic tiredness
Persistent pruritus
Jaundice
Right upper quadrant discomfort
Weight loss and decreased appetite
Joint and muscle aches
Sicca symptoms when Sjögren overlap is present

Risk Factors

Female sex
Other autoimmune disorders
Family history of autoimmunity
HLA-DR3 / DR4 background
Environmental triggers and infections
Inflammatory bowel disease (especially for PSC overlap)

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Persistent fatigue with unexplained liver enzyme elevation
  • Severe pruritus impairing daily life
  • Onset of jaundice
  • Atypical disease course in known AIH or PBC
  • Hepatobiliary symptoms in a patient with IBD

Treatment Methods

01
Corticosteroids and azathioprine for the AIH component
02
Ursodeoxycholic acid for the PBC component
03
MRCP/ERCP surveillance and stenting for the PSC component
04
Cholestyramine and rifampicin for refractory pruritus
05
Fat-soluble vitamin supplementation
06
Liver transplantation evaluation in refractory disease

Which Department to Visit?

You can visit our Enfeksiyon Hastalıkları department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Enfeksiyon Hastalıkları Department

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.