Utility of Forward-View Echoendoscopy for Transcolonic Fine-Needle Aspiration of Extracolonic Lesions: An Institutional Experience
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Background/Aims: Non-invasive tissue sampling from the lower intra-abdominal and pelvic cavity is challenging. The role ofendoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) in this situation is not well-established because of the limitations ofthe curved linear-array echoendoscopy-EUS for colonic insertion. The aim of this study was to report our institutional experience oftranscolonic EUS-FNA using forward-viewing therapeutic linear echoendoscopy-EUS (FV-EUS) in combination with fluoroscopicguidance. Methods: Medical records of 13 patients who underwent transcolonic EUS-FNA of extracolonic lesions using FV-EUS in combinationwith fluoroscopic guidance at Aichi Cancer Center Hospital, Nagoya, Japan from June 2015 to November 2018 were retrospectivelyreviewed. Results: Using FV-EUS under fluoroscopic guidance, the FNA procedure could be performed successfully in all patients (100%technical success), with a median procedure time of 31 minutes. The sensitivity, specificity, and accuracy of EUS-FNA for detectingmalignant lesions in this study were 91%, 100%, and 92%, respectively. There were no adverse events associated with the EUS-FNAprocedure. Conclusions: FV-EUS in combination with fluoroscopic guidance is an easy, safe, and effective technique for FNA of extracoloniclesions in the lower abdomen.
Abstract
Background/Aims: Non-invasive tissue sampling from the lower intra-abdominal and pelvic cavity is challenging. The role ofendoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) in this situation is not well-established because of the limitations ofthe curved linear-array echoendoscopy-EUS for colonic insertion. The aim of this study was to report our institutional experience oftranscolonic EUS-FNA using forward-viewing therapeutic linear echoendoscopy-EUS (FV-EUS) in combination with fluoroscopicguidance. Methods: Medical records of 13 patients who underwent transcolonic EUS-FNA of extracolonic lesions using FV-EUS in combinationwith fluoroscopic guidance at Aichi Cancer Center Hospital, Nagoya, Japan from June 2015 to November 2018 were retrospectivelyreviewed. Results: Using FV-EUS under fluoroscopic guidance, the FNA procedure could be performed successfully in all patients (100%technical success), with a median procedure time of 31 minutes. The sensitivity, specificity, and accuracy of EUS-FNA for detectingmalignant lesions in this study were 91%, 100%, and 92%, respectively. There were no adverse events associated with the EUS-FNAprocedure. Conclusions: FV-EUS in combination with fluoroscopic guidance is an easy, safe, and effective technique for FNA of extracoloniclesions in the lower abdomen.
참고문헌 (17)
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