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Updated: Oct 20, 2025

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Management of Simple Hepatic Cyst.

Tetsuya Shimizu1, Masato Yoshioka1, Yohei Kaneya1

  • 1Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School.

Journal of Nippon Medical School = Nippon Ika Daigaku Zasshi
|September 16, 2021
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Summary

Simple hepatic cysts are common fluid-filled sacs. While often asymptomatic, symptomatic cases benefit from treatments like laparoscopic fenestration, offering a high success rate and low invasiveness for hepatic cyst management.

Keywords:
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Area of Science:

  • Hepatology
  • Gastroenterology
  • Diagnostic Imaging

Background:

  • Simple hepatic cysts are benign, fluid-filled cavities originating from aberrant embryonic bile duct cells.
  • Advancements in imaging like ultrasonography (US), CT, and MRI have increased the detection of these cysts.
  • US is the primary noninvasive diagnostic tool, differentiating cysts from other liver pathologies.

Purpose of the Study:

  • To review the diagnosis, complications, and treatment of simple hepatic cysts.
  • To emphasize the importance of differentiating simple cysts from neoplasms and infections.
  • To discuss current treatment guidelines and modalities for symptomatic hepatic cysts.

Main Methods:

  • Review of diagnostic imaging modalities including US, CT, and MRI.
  • Analysis of clinical presentation, symptoms, and potential complications.
  • Evaluation of treatment options: percutaneous aspiration, sclerotherapy, and surgical interventions.

Main Results:

  • US is highly effective for diagnosing simple hepatic cysts and distinguishing them from abscesses, hemangiomas, and malignancies.
  • Complex cyst features on US warrant further evaluation with enhanced CT or MRI to rule out cystic neoplasms or hydatid disease.
  • Symptomatic cysts can cause discomfort and complications; asymptomatic cysts require no intervention.

Conclusions:

  • Accurate differentiation of simple hepatic cysts from other conditions is crucial for appropriate management.
  • Laparoscopic fenestration is recommended by clinical guidelines for symptomatic cysts due to high efficacy and minimal invasiveness.
  • While percutaneous treatments offer palliation, they are associated with high recurrence rates, making them less favorable for definitive management.