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Laparoscopic Anatomical Right Hemihepatectomy via the In Situ Anterior Approach

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Published on: August 8, 2025

The rare benign liver tumors.

T Skalicky¹, V Treska, V Liska

¹Department of Surgery, University Hospital, Pilsen, Czech Republic. skalicky@fnplzen.cz

Bratislavske Lekarske Listy

|August 19, 2007

Summary

Metastases of colorectal carcinoma are rare, benign liver tumors. This study highlights three uncommon benign liver tumors with malignant potential: mucin-producing biliary tumors, hepatic cystadenoma, and adult liver hamartoma.

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Area of Science:

Hepatology
Surgical Oncology
Gastroenterology

Background:

Benign liver tumors are more common than malignant metastases from colorectal carcinoma in the Czech Republic.
Common benign liver tumors include hemangiomas, focal nodular hyperplasia (FNH), and hepatocellular adenoma.
Less than 10% of benign liver tumors present with different histological types.

Observation:

This study details three rare cases of benign liver tumors with malignant potential.
These include mucin-producing biliary tumors (similar to pancreatic intraductal papillary mucinous tumors), hepatic cystadenoma with ovarian stroma, and liver hamartoma in an adult.
These tumors, while benign, possess characteristics that warrant careful monitoring for potential malignancy.

Findings:

The three cases represent rare histological types of benign liver tumors.
These tumors exhibited benign behavior but carried a risk of future malignant transformation.
The identified tumors were mucin-producing biliary tumors, hepatic cystadenoma with ovarian stroma, and liver hamartoma.

Implications:

Highlights the importance of recognizing and managing rare benign liver tumors.
Emphasizes the need for vigilance regarding the malignant potential of certain benign liver lesions.
Contributes to the understanding of rare liver tumor pathologies and their clinical management.