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Tumor Seeding With Needle Biopsy of Hepatocellular Carcinoma: A Systematic Review
Chunpeng Nie1, Marcus Vaska2, Jason K Wong3
1Department of Medicine, Division of Gastroenterology and Hepatology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Introduction:
Biopsy of hepatocellular carcinoma (HCC) may help with selecting appropriate chemotherapy with inconclusive imaging; concern about potential seeding may limit its use.
Methods:
A systematic review was conducted to assess the risk of tumor seeding with biopsy of HCC excluding nonliver cancers or seeding after interventions.
Results:
A total of 2,339 unique abstracts were identified; 37 studies were included in the final analysis. The rate of tumor seeding was 0.62% (range 0%-7.77%) in 13,959 biopsies performed. The average reported median lengths of follow-up was 35.8 months (range 10.5-60 months).
Discussion:
Overall, the risk of tumor seeding with biopsy of HCC is low.
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