Transhepatic forceps biopsy combined with biliary drainage in obstructive jaundice: safety and accuracy
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This study was conducted in order to investigate the safety and accuracy of percutaneous transluminal forceps biopsy (PTFB) during percutaneous biliary drainage (PTBD) in patients with a suspicion of malignant biliary stricture.
Material and methods
Fifty consecutive patients with obstructive jaundice underwent PTFB during PTBD. Biopsy specimens were obtained using 5.2-F flexible biopsy forceps and these specimens were independently analysed by two pathologists. Consensus was obtained in case of discrepancy. Biopsy was considered as a true positive when tumour cells were retrieved. In the absence of tumour cells, comparison with available surgical findings and/or endoscopic ultrasound fine-needle aspiration (EUS-FNA) and/or percutaneous liver biopsy and/or imaging or clinical follow-up was made to distinguish true and false negatives. Specificity, sensitivity, positive predictive value, negative predictive value and accuracy were calculated. Influence of tumour location and pre-operative imaging findings was evaluated. Adverse events were reported.
Biliary drainage and tissue sampling were achieved in 100% of patients. Sensitivity and specificity were 70 and 100%, respectively, while overall accuracy was 72%. After excluding the first 25 patients, accuracy and sensitivity for tissue sampling reached 80 and 78%, respectively. Sensitivity was better (87%) if stenosis was located at the upper part of the biliary tree, compared to the lower part (55%). In case of cholangiocarcinoma or intraductal invasion suspected on imaging, biopsy was contributive in 84 and 81% of patients, respectively. Four complications occurred consisting of one bile leak, two haemobilia and one pneumoperitoneum.
PTFB combined with PTBD is a safe and effective technique for both histopathological diagnosis and biliary decompression of biliary strictures.
Implications for patient care:
• Percutaneous transbiliary forceps biopsy is technically feasible (100% of tissue sampling in our study) and is a safe technique.
• Radiological management combining PTFB plus PTBD may allow diagnosis and treatment of the biliary stricture at the same time.
• Sensitivity and accuracy for PTFB reached 78 and 80%, respectively, with a 100% specificity.
KeywordsBile Obstructive jaundice Drainage Biopsy Bile duct neoplasms
Cystic dystrophy in heterotopic pancreas
Contrast-enhanced computed tomography
Dose area product
Endoscopic retrograde cholangiopancreatography
Endoscopic ultrasound-guided fine-needle aspiration
Haematoxylin and eosin
Indeterminate biliary stricture
Magnetic resonance imaging
Negative predictive value
Positive predictive value
Percutaneous biliary drainage
Percutaneous transhepatic forceps biopsy
Society of Interventional Radiology
The authors state that this work has not received any funding.
Compliance with ethical standards
The scientific guarantor of this publication is Prof. Jean Pierre Pelage.
Conflict of interest
The authors declare that they have no conflict of interest.
Statistics and biometry
One of the authors has significant statistical expertise.
No complex statistical methods were necessary for this paper.
Written informed consent was not required for this study because it was a retrospective study, based on acquired data.
Institutional Review Board approval was obtained.
CPP Nord Ouest-France, reference: CPP A15-D30-VOL.26.
• Performed at one institution
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