The outcomes of endoscopic ultrasound‐guided tissue acquisition for small focal liver lesions measuring ≤2 cm

Abstract Objectives Endoscopic ultrasound‐guided tissue acquisition (EUS‐TA) for focal liver lesions has gained attention as an alternative to percutaneous biopsy. Although the outcomes of EUS‐TA for focal liver lesions have been reported to be favorable, no studies have focused on small focal liver...

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Main Authors: Yuichi Takano, Naoki Tamai, Masataka Yamawaki, Jun Noda, Tetsushi Azami, Fumitaka Niiya, Fumiya Nishimoto, Naotaka Maruoka, Tatsuya Yamagami, Masatsugu Nagahama
Format: Article
Language:English
Published: Wiley 2025-04-01
Series:DEN Open
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Online Access:https://doi.org/10.1002/deo2.70031
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author Yuichi Takano
Naoki Tamai
Masataka Yamawaki
Jun Noda
Tetsushi Azami
Fumitaka Niiya
Fumiya Nishimoto
Naotaka Maruoka
Tatsuya Yamagami
Masatsugu Nagahama
author_facet Yuichi Takano
Naoki Tamai
Masataka Yamawaki
Jun Noda
Tetsushi Azami
Fumitaka Niiya
Fumiya Nishimoto
Naotaka Maruoka
Tatsuya Yamagami
Masatsugu Nagahama
author_sort Yuichi Takano
collection DOAJ
description Abstract Objectives Endoscopic ultrasound‐guided tissue acquisition (EUS‐TA) for focal liver lesions has gained attention as an alternative to percutaneous biopsy. Although the outcomes of EUS‐TA for focal liver lesions have been reported to be favorable, no studies have focused on small focal liver lesions (≤2 cm). The aim of this study was to evaluate the outcomes of EUS‐TA for small focal liver lesions (≤2 cm). Methods The details of EUS‐TA performed for focal liver lesions between 2016 and 2022 were retrospectively reviewed. The outcomes were compared between cases involving ≤2 cm lesions and those involving >2 cm lesions. The primary outcomes were diagnostic ability and adverse events. Results EUS‐TA for focal liver lesions was performed in 109 cases. Of the 109 cases, 32 (29.3%) involved ≤2 cm lesions and 77 (70.6%) involved >2 cm lesions. Right lobe lesions and transduodenal puncture were significantly fewer in the ≤2 cm group. There were no significant differences in needle gauge, needle type, or number of punctures between the groups. The sensitivity, specificity, and accuracy rates were 96.8%, 100%, and 96.8%, respectively, in the ≤2 cm group and 97.4%, 100%, and 97.4%, respectively, in the >2 cm group, with no significant differences between the groups. There was no difference in adverse events between the groups (0% in the ≤2 cm group and 2.3% in the >2 cm group). Conclusions EUS‐TA for small focal liver lesions measuring ≤2 cm has favorable outcomes, which are similar to those for lesions measuring >2 cm.
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spelling doaj-art-6adffc7e2f534502a390342dfef7acf72025-08-20T03:13:50ZengWileyDEN Open2692-46092025-04-0151n/an/a10.1002/deo2.70031The outcomes of endoscopic ultrasound‐guided tissue acquisition for small focal liver lesions measuring ≤2 cmYuichi Takano0Naoki Tamai1Masataka Yamawaki2Jun Noda3Tetsushi Azami4Fumitaka Niiya5Fumiya Nishimoto6Naotaka Maruoka7Tatsuya Yamagami8Masatsugu Nagahama9Department of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanDepartment of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanDepartment of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanDepartment of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanDepartment of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanDepartment of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanDepartment of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanDepartment of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanDepartment of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanDepartment of Internal Medicine Division of Gastroenterology, Showa University Fujigaoka Hospital Kanagawa JapanAbstract Objectives Endoscopic ultrasound‐guided tissue acquisition (EUS‐TA) for focal liver lesions has gained attention as an alternative to percutaneous biopsy. Although the outcomes of EUS‐TA for focal liver lesions have been reported to be favorable, no studies have focused on small focal liver lesions (≤2 cm). The aim of this study was to evaluate the outcomes of EUS‐TA for small focal liver lesions (≤2 cm). Methods The details of EUS‐TA performed for focal liver lesions between 2016 and 2022 were retrospectively reviewed. The outcomes were compared between cases involving ≤2 cm lesions and those involving >2 cm lesions. The primary outcomes were diagnostic ability and adverse events. Results EUS‐TA for focal liver lesions was performed in 109 cases. Of the 109 cases, 32 (29.3%) involved ≤2 cm lesions and 77 (70.6%) involved >2 cm lesions. Right lobe lesions and transduodenal puncture were significantly fewer in the ≤2 cm group. There were no significant differences in needle gauge, needle type, or number of punctures between the groups. The sensitivity, specificity, and accuracy rates were 96.8%, 100%, and 96.8%, respectively, in the ≤2 cm group and 97.4%, 100%, and 97.4%, respectively, in the >2 cm group, with no significant differences between the groups. There was no difference in adverse events between the groups (0% in the ≤2 cm group and 2.3% in the >2 cm group). Conclusions EUS‐TA for small focal liver lesions measuring ≤2 cm has favorable outcomes, which are similar to those for lesions measuring >2 cm.https://doi.org/10.1002/deo2.70031endoscopic ultrasoundfocal liver lesionintrahepatic cholangiocarcinomametastatic liver tumortissue acquisition
spellingShingle Yuichi Takano
Naoki Tamai
Masataka Yamawaki
Jun Noda
Tetsushi Azami
Fumitaka Niiya
Fumiya Nishimoto
Naotaka Maruoka
Tatsuya Yamagami
Masatsugu Nagahama
The outcomes of endoscopic ultrasound‐guided tissue acquisition for small focal liver lesions measuring ≤2 cm
DEN Open
endoscopic ultrasound
focal liver lesion
intrahepatic cholangiocarcinoma
metastatic liver tumor
tissue acquisition
title The outcomes of endoscopic ultrasound‐guided tissue acquisition for small focal liver lesions measuring ≤2 cm
title_full The outcomes of endoscopic ultrasound‐guided tissue acquisition for small focal liver lesions measuring ≤2 cm
title_fullStr The outcomes of endoscopic ultrasound‐guided tissue acquisition for small focal liver lesions measuring ≤2 cm
title_full_unstemmed The outcomes of endoscopic ultrasound‐guided tissue acquisition for small focal liver lesions measuring ≤2 cm
title_short The outcomes of endoscopic ultrasound‐guided tissue acquisition for small focal liver lesions measuring ≤2 cm
title_sort outcomes of endoscopic ultrasound guided tissue acquisition for small focal liver lesions measuring ≤2 cm
topic endoscopic ultrasound
focal liver lesion
intrahepatic cholangiocarcinoma
metastatic liver tumor
tissue acquisition
url https://doi.org/10.1002/deo2.70031
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