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[Polycystic liver disease].

Marie Ongaro1, Francois-Nathan Bronstein1, Nicolas Goossens1

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Polycystic liver disease (PLD) encompasses biliary hamartomas, ADPLD, and ADPKD. While often asymptomatic, PLD can progress, with estrogen influencing cyst growth, necessitating careful diagnosis and management in specialized centers.

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Area of Science:

  • Hepatology
  • Genetics
  • Radiology

Background:

  • Polycystic liver disease (PLD) comprises biliary hamartomas, autosomal dominant polycystic liver disease (ADPLD), and autosomal dominant polycystic kidney disease (ADPKD).
  • These conditions are characterized by the progressive development and growth of liver cysts over time.
  • While often asymptomatic, PLD can manifest with symptoms, particularly in women due to estrogen's influence on cyst growth.

Purpose of the Study:

  • To provide a comprehensive overview of Polycystic Liver Disease (PLD) entities.
  • To highlight diagnostic approaches and management considerations for PLD.
  • To emphasize the importance of early identification and expert center care for PLD complications.

Main Methods:

  • Diagnosis of PLD relies on medical imaging techniques.
  • Genetic analysis is crucial for identifying inherited forms like ADPLD and ADPKD.
  • Clinical evaluation assesses cyst burden and potential complications.

Main Results:

  • Biliary hamartomas are benign and asymptomatic, arising from ductal plate malformation.
  • ADPLD and ADPKD are genetic disorders characterized by significant cyst formation.
  • Symptomatic PLD predominantly affects women, with estrogen identified as a factor promoting cyst growth.

Conclusions:

  • Early diagnosis through imaging is essential for effective PLD management.
  • Estrogen-based treatments are contraindicated in symptomatic PLD due to potential adverse effects.
  • Management of PLD complications requires timely intervention within expert centers.