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PubMed This is a summary of 59 peer-reviewed journal articles Updated
Hepatology

Understanding Isolated Polycystic Liver Disease (PCLD)

At a Glance

Isolated Polycystic Liver Disease (PCLD) is a genetic condition causing multiple benign cysts in the liver. For most people, PCLD does not affect liver function or life expectancy. The cysts are not cancerous, and patients typically only need monitoring unless they develop severe symptoms.

Receiving a diagnosis of Isolated Polycystic Liver Disease (PCLD) can be overwhelming, especially when you see images of your liver containing numerous cysts. However, it is important to understand that for the vast majority of people, this condition does not affect how the liver works or how long you will live [1][2]. PCLD is a genetic condition where the liver develops more than 10 to 20 fluid-filled sacs called cysts [3][4].

Three Stabilizing Facts for Your Diagnosis

  1. Cysts are Benign, Not Cancerous: The cysts in PCLD are non-cancerous (benign) fluid-filled sacs [5]. They are not tumors, and having PCLD does not mean you have liver cancer or a higher risk of developing it [1].
  2. Liver Function is Typically Preserved: Unlike many other liver diseases, PCLD does not usually cause “liver failure.” Because the cysts grow within the liver but do not destroy the healthy liver cells around them, your liver’s ability to filter blood and produce essential proteins remains normal [5][6].
  3. Most People Require No Treatment: If you do not have symptoms like pain or severe bloating, you may never need medical intervention [1]. Many people live their entire lives with PCLD without needing more than occasional monitoring [2].

Understanding “Isolated” PCLD

PCLD is often called “isolated” to distinguish it from a similar but different condition called Autosomal Dominant Polycystic Kidney Disease (ADPKD).

  • PCLD (Isolated): The genetic mutations (such as PRKCSH, SEC63, or GANAB) primarily affect the liver [7][8]. While a few small cysts might appear in the kidneys, they rarely cause kidney problems [4].
  • ADPKD: This is caused by different genes (PKD1 or PKD2) [9]. While people with ADPKD often get liver cysts, their primary health concern is the potential for kidney failure [10][5].

Knowing you have the “isolated” form is generally reassuring, as it means your kidney health is likely to remain stable [4].

Why Does the Liver Stay Healthy?

The liver is a resilient organ. In PCLD, the cysts arise from the biliary tree (the system of tubes that carries bile) rather than the hepatocytes (the main functional liver cells) [11]. Even if the liver becomes significantly enlarged—a condition called hepatomegaly—the remaining healthy liver tissue is usually more than enough to perform all necessary functions [6].

Explore Our Guide to PCLD

To help you navigate this condition, we have created a comprehensive guide to support you every step of the way:

01

Symptoms, Genetics, and Biology of Isolated PCLD

Learn about isolated polycystic liver disease (PCLD) symptoms, including the mass effect. Understand the genetics, why cysts grow, and the role of estrogen.

02

Diagnosis, Imaging, and Severity Classification for PCLD

Learn how isolated polycystic liver disease (PCLD) is diagnosed. Understand your imaging report, including Gigot classifications and liver volume (htTLV).

03

Treatment Options for Isolated PCLD

Explore treatment options for Isolated Polycystic Liver Disease (PCLD). Learn about watchful waiting, somatostatin analogues, and surgical procedures.

04

Living with PCLD: Symptom Management and Monitoring

Learn how to manage daily symptoms of Polycystic Liver Disease (PCLD). Understand diet adjustments, exercise safety, the role of estrogen, and warning signs.

Common questions in this guide

Is isolated polycystic liver disease (PCLD) cancer?
No, the cysts associated with PCLD are benign, fluid-filled sacs. Having this condition does not mean you have liver cancer or an increased risk of developing it.
Will PCLD cause my liver to fail?
Liver failure is very rare in people with isolated PCLD. The cysts grow within the liver but do not destroy the surrounding healthy cells, allowing your liver to continue filtering blood and functioning normally.
How is isolated PCLD different from ADPKD?
Isolated PCLD primarily causes cysts in the liver and is linked to specific genes, rarely causing kidney issues. In contrast, Autosomal Dominant Polycystic Kidney Disease (ADPKD) involves different genes and primarily affects the kidneys, carrying a risk of kidney failure.
Do liver cysts from PCLD need to be treated?
Most people with PCLD never require medical treatment. Unless you experience bothersome physical symptoms like pain, feeling full quickly, or severe bloating, your doctor will likely just monitor your condition periodically.
Can hormonal medications affect my liver cysts?
Medications containing estrogen, such as certain birth control pills or hormone replacement therapies, may impact cyst growth. It is important to discuss any hormonal medications you are currently taking with your doctor.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.How many cysts were identified on my imaging, and what is my current Total Liver Volume (TLV)?
  2. 2.Is my condition 'isolated' PCLD, or do I need further screening for kidney involvement (ADPKD)?
  3. 3.Since liver function is usually preserved, which specific blood tests will you use to monitor my liver health over time?
  4. 4.Are there any medications or supplements I should avoid, specifically those containing estrogen?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

References

References (11)
  1. 1

    Apixaban Causing Hepatic Cystic Bleeding: A Rare but a Life-Threatening Complication.

    Shehi E, Fortuzi K, Ghazanfar H, et al.

    Case reports in gastroenterology 2021; (15(3)):904-909 doi:10.1159/000519276.

    PMID: 34720842
  2. 2

    Benign liver lesions 2022: Guideline for clinical practice of Associazione Italiana Studio del Fegato (AISF), Società Italiana di Radiologia Medica e Interventistica (SIRM), Società Italiana di Chirurgia (SIC), Società Italiana di Ultrasonologia in Medicina e Biologia (SIUMB), Associazione Italiana di Chirurgia Epatobilio-Pancreatica (AICEP), Società Italiana Trapianti d'Organo (SITO), Società Italiana di Anatomia Patologica e Citologia Diagnostica (SIAPEC-IAP) - Part I - Cystic lesions.

    Pompili M, Ardito F, Brunetti E, et al.

    Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver 2022; (54(11)):1469-1478 doi:10.1016/j.dld.2022.08.030.

    PMID: 36089525
  3. 3

    Molecular Mechanisms of Isolated Polycystic Liver Diseases.

    Yu Z, Shen X, Hu C, et al.

    Frontiers in genetics 2022; (13()):846877 doi:10.3389/fgene.2022.846877.

    PMID: 35571028
  4. 4

    Polycystic Liver Disease: Pathophysiology, Diagnosis and Treatment.

    Norcia LF, Watanabe EM, Hamamoto Filho PT, et al.

    Hepatic medicine : evidence and research 2022; (14()):135-161 doi:10.2147/HMER.S377530.

    PMID: 36200122
  5. 5

    Liver manifestations in autosomal dominant polycystic kidney disease (ADPKD) and their impact on quality of life.

    Arjune S, Todorova P, Bartram MP, et al.

    Clinical kidney journal 2025; (18(1)):sfae363 doi:10.1093/ckj/sfae363.

    PMID: 40008356
  6. 6

    Operative Outcomes for Polycystic Liver Disease: Results of a Large Contemporary Series.

    Smith SR, Matar AJ, Polireddy K, et al.

    Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract 2023; (27(11)):2444-2450 doi:10.1007/s11605-023-05843-1.

    PMID: 37783909
  7. 7

    Isolated polycystic liver disease genes define effectors of polycystin-1 function.

    Besse W, Dong K, Choi J, et al.

    The Journal of clinical investigation 2017; (127(5)):1772-1785 doi:10.1172/JCI90129.

    PMID: 28375157
  8. 8

    Novel α-1,3-Glucosyltransferase Variants and Their Broad Clinical Polycystic Liver Disease Spectrum.

    Boerrigter MM, Te Morsche RHM, Venselaar H, et al.

    Genes 2023; (14(8)) doi:10.3390/genes14081652.

    PMID: 37628703
  9. 9

    Management of Autosomal Dominant Polycystic Kidney Disease (ADPKD) During Pregnancy: Risks and Challenges.

    McBride L, Wilkinson C, Jesudason S

    International journal of women's health 2020; (12()):409-422 doi:10.2147/IJWH.S204997.

    PMID: 32547249
  10. 10

    A Case Report of the Coexistence of Gastric Cancer With Polycystic Kidney and Liver Disease: Unveiling the Complexity.

    Girme A, Gupta V

    Cureus 2024; (16(2)):e53574 doi:10.7759/cureus.53574.

    PMID: 38445116
  11. 11

    A TGFβ-ECM-integrin signaling axis drives structural reconfiguration of the bile duct to promote polycystic liver disease.

    Waddell SH, Yao Y, Olaizola P, et al.

    Science translational medicine 2023; (15(713)):eabq5930 doi:10.1126/scitranslmed.abq5930.

    PMID: 37703354

This page is for educational purposes only and does not replace professional medical advice. Always consult your hepatologist or gastroenterologist about your specific PCLD diagnosis and management plan.

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