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Updated: Dec 31, 2025

Functional Human Liver Preservation and Recovery by Means of Subnormothermic Machine Perfusion
Published on: April 27, 2015
How much liver does a person need?
1Department of Internal Medicine II Division of Endocrinology and Metabolism Thuringia Clinic "Georgius Agricola" Saalfeld Germany.
Unexpected gigantic liver cysts can compress abdominal organs, vessels, and the gut. This case shows that minimal residual liver tissue is sufficient for survival, even after years without medical care.
Area of Science:
- Hepatology
- Gastroenterology
- Surgical Case Reports
Background:
- Patients with prolonged lack of medical care may present with unusual pathologies.
- Large liver cysts can cause significant mass effect on surrounding intra-abdominal structures.
Purpose of the Study:
- To report a rare case of a gigantic liver cyst causing extensive abdominal compression.
- To highlight the liver's resilience and capacity for function with minimal viable tissue.
Main Methods:
- Case presentation of a patient with a large liver cyst.
- Clinical assessment of organ compression and patient's condition.
Main Results:
- A gigantic liver cyst was identified, compressing adjacent abdominal organs, vasculature, and the gastrointestinal tract.
- The patient demonstrated clinical stability and recovery in a nursing home setting despite limited functional liver parenchyma.
Conclusions:
- Gigantic liver cysts pose a significant diagnostic and management challenge, particularly in patients with a history of neglected medical conditions.
- This case underscores the remarkable compensatory capacity of the liver, demonstrating survival is possible with unexpectedly small amounts of functional liver tissue.
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