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Laparoscopy-guided biopsy in diagnosis of liver disorders in children
C Esposito1, V Garipoli, R Vecchione
1Division of Pediatric Surgery, University of Naples Federico II, Italy.
Insights
Laparoscopic liver biopsy is a safe and effective procedure for pediatric liver disorders, offering advantages over traditional methods. It aids in diagnosing conditions like cirrhosis and provides sufficient tissue for testing.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Minimally Invasive Surgery
Background:
- Pediatric liver disorders require accurate diagnosis.
- Percutaneous blind liver biopsy has limitations, including bleeding risk and insufficient tissue samples.
- Laparoscopy offers direct visualization and targeted tissue acquisition.
Purpose of the Study:
- To evaluate the safety and benefits of laparoscopic liver biopsy in children.
- To compare laparoscopic biopsy outcomes with traditional methods.
- To assess laparoscopy's role in diagnosing pediatric liver diseases.
Main Methods:
- Retrospective review of 80 pediatric patients undergoing laparoscopic liver biopsy (1986-1996).
- Indications included bleeding risk, prior uninformative biopsies, and need for large tissue samples.
- Procedures involved visual inspection, Tru-cut needle biopsy, and optional excisional biopsy.
Main Results:
- Laparoscopic biopsy was successful in most cases, with minimal difficulties.
- Fibrin plug application significantly reduced bleeding time.
- Laparoscopy identified cirrhosis, addressing potential false-negative diagnoses from needle biopsies.
Conclusions:
- Laparoscopic liver biopsy is a safe and useful alternative for pediatric liver disease diagnosis.
- It is particularly beneficial for patients with bleeding risks or when large tissue samples are needed.
- Laparoscopy enhances diagnostic accuracy for conditions like cirrhosis.
Abstract:
To determine the safety and advantages of laparoscopic liver biopsy in pediatric liver disorders, we reviewed the medical records of 80 children affected by liver disease of various etiologies who underwent this procedure from 1986 to 1996. The main indicators for laparoscopic biopsy were increased risk of bleeding (i.e., mild to moderate coagulation abnormalities in patients probably affected by cirrhosis) and/or previous poorly informative blind needle liver biopsy (65 cases), and the need for a large amount of liver tissue for biochemical assays (10 cases). After inspection of the liver surface, at least two core biopsies were performed using a Tru-cut needle. We encountered difficulties with the biopsy in only four cases, due to a hard consistency of the liver. Bleeding time from the liver orifice was greatly reduced by positioning a fibrin plug (50-120 s vs 5-10 s, on average). In 15 patients, a large excisional biopsy was also successfully performed. Our results confirm an important role for laparoscopy in the diagnosis of cirrhosis (30% of bioptic false negative diagnoses in this series) and show that in selected cases laparoscopy-guided needle or excisional biopsy is an easy, useful and safe alternative to percutaneous blind liver biopsy.