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KMID : 1048120230120040163
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International Journal of Gastrointestinal Intervention
2023 Volume.12 No. 4 p.163 ~ p.168
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Scope position is a determining factor for diagnostic performance of endoscopic ultrasound-guided fine-needle aspiration for mass lesions in the pancreatic head
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Kim Nam-Hee
Kim Hong-Joo
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Abstract
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Background : This study aimed to identify the clinical and endoscopic factors that determined the diagnostic performance of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) for mass lesions in the pancreatic head.
Methods : A total of 78 consecutive patients with suspected mass lesions in the pancreatic head detected by contrast-enhanced multi-detector-row computed tomography and/or magnetic resonance imaging, who underwent EUS-FNA for cytologic and/or histologic confirmation in our institution between June 2012 and April 2017 were enrolled in the current study.
Results : The sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy of EUS-FNA for mass lesions in the pancreatic head in our series was 61/69 (88.4%), 9/9 (100.0%), 61/61 (100.0%), 9/17 (52.9%), and 70/78 (89.7%), respectively. In univariate analyses, the clinical and endoscopic factors for determining the diagnostic performance of EUS-FNA were the echoendoscope position during needle puncture (long vs. short scope position) and the distance from the echoendoscope to the mass lesion (< 1 cm vs. ≥ 1 cm). In the multivariate logistic regression analysis, the echoendoscope position during needle puncture was the only independent and significant determining factor for the diagnostic performance of EUS-FNA for mass lesions in the pancreatic head.
Conclusion : The echoendoscope position during needle puncture is a determining factor for the diagnostic performance of EUS-FNA for mass lesions in the pancreatic head.
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KEYWORD
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Diagnostic performance, Endoscopic ultrasound-guided fine needle aspiration, Pancreatic head lesion, Scope position, Sensitivity and specificity
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