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22-gauge Co-Cr versus stainless-steel Franseen needles for endoscopic ultrasound-guided tissue acquisition in patients with solid pancreatic lesions
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Yuki Tanisaka, Masafumi Mizuide, Akashi Fujita, Ryuhei Jinushi, Rie Shiomi, Takahiro Shin, Kei Sugimoto, Tomoaki Tashima, Yumi Mashimo, Shomei Ryozawa
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Clin Endosc 2024;57(2):237-245. Published online January 26, 2024
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DOI: https://doi.org/10.5946/ce.2023.011
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 Graphical Abstract
 Abstract
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 - Background
/Aims: Endoscopic ultrasound-guided tissue acquisition (EUS-TA) using Franseen needles is reportedly useful for its high diagnostic yield. This study compared the diagnostic yield and puncturing ability of EUS-TA using 22-gauge cobalt-chromium (CO-Cr) needles with those of stainless-steel Franseen needles in patients with solid pancreatic lesions.
Methods
Outcomes were compared between the 22-gauge Co-Cr Franseen needle (December 2019 to November 2020; group C) and stainless-steel needle (November 2020 to May 2022; group S).
Results
A total of 155 patients (group C, 75; group S, 80) were eligible. The diagnostic accuracy was 92.0% in group C and 96.3% in group S with no significant intergroup differences (p=0.32). The rate of change in the operator (from training fellows to experts) was 20.0% (15/75) in group C and 7.5% (6/80) in group S. Stainless-steel Franseen needles showed less inter-operator difference than Co-Cr needles (p=0.03).
Conclusions
Both Co-Cr and stainless-steel Franseen needles showed high diagnostic ability. Stainless-steel Franseen needles are soft and flexible; therefore, the range of puncture angles can be widely adjusted, making them suitable for training fellows to complete the procedure.
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Citations
Citations to this article as recorded by  - The correlation between tumoral CD8 expression and clinical course in patients with unresectable pancreatic cancer using tissue samples acquired by endoscopic ultrasound‐guided tissue acquisition
Yuki Tanisaka, Shomei Ryozawa, Masafumi Mizuide, Akashi Fujita, Ryuhei Jinushi, Ryuichi Watanabe, Ryo Sato, Masanori Yasuda
Journal of Hepato-Biliary-Pancreatic Sciences.2024;[Epub] CrossRef - Curved puncture technique using a flexible stainless-steel needle in endoscopic ultrasound-guided hepaticogastrostomy
Haruo Miwa, Yuichi Suzuki, Shotaro Tsunoda, Kazuki Endo, Ritsuko Oishi, Hiromi Tsuchiya, Shin Maeda
Endoscopy.2024; 56(S 01): E1082. CrossRef - Optimal tissue acquisition method for pancreatic mass
Kwang Hyun Chung, Sang Hyub Lee
Digestive Endoscopy.2024;[Epub] CrossRef
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