Please use this identifier to cite or link to this item: https://doi.org/10.1155/2009/546390
Title: A prospective comparison of EUS-guided FNA using 25-gauge and 22-gauge needles
Authors: Imazu, H
Uchiyama, Y
Kakutani, H
Ikeda, K.-I
Sumiyama, K
Kaise, Department of Endoscopy, Jikei University School of Medicine, Tokyo 105-8461, Japan
Omar, S
Ang, T.L 
Tajiri, H
Keywords: actin
CD34 antibody
CD34 antigen
desmin
protein S 100
article
aspiration biopsy
chronic pancreatitis
clinical article
controlled study
diagnostic accuracy
ectopic pancreas
endoscopic echography
gastrointestinal biopsy
gastrointestinal stromal tumor
human
human tissue
leiomyoma
lung biopsy
lung cancer
lymph node biopsy
lymphadenopathy
needle
neurilemoma
pancreas
pancreas biopsy
pancreas cancer
prospective study
puncture
quantitative analysis
scoring system
visibility
Issue Date: 2009
Publisher: Hindawi
Citation: Imazu, H, Uchiyama, Y, Kakutani, H, Ikeda, K.-I, Sumiyama, K, Kaise, Department of Endoscopy, Jikei University School of Medicine, Tokyo 105-8461, Japan, Omar, S, Ang, T.L, Tajiri, H (2009). A prospective comparison of EUS-guided FNA using 25-gauge and 22-gauge needles. Gastroenterology Research and Practice : 546390. ScholarBank@NUS Repository. https://doi.org/10.1155/2009/546390
Rights: Attribution 4.0 International
Abstract: Background and Aims. There are limited data on the differences in diagnostic yield between 25-gauge and 22-gauge EUS-FNA needles. This prospective study compared the difference in diagnostic yield between a 22-gauge and a 25-gauge needle when performing EUS-FNA. Methods. Forty-three patients with intraluminal or extraluminal mass lesions and/or lymphadenopathy were enrolled prospectively. EUS-FNA was performed for each mass lesion using both 25- and 22-gauge needles. The differences in accuracy rate, scoring of needle visibility, ease of puncture and quantity of obtained specimen were evaluated. Results. The overall accuracy of 22- and 25-gauge needle was similar at 81% and 76% respectively (N.S). Likewise the visibility scores of both needles were also similar. Overall the quantity of specimen obtained higher with the 22-gauge needle (score: 1.64 vs. P <.001). However the 25-gauge needle was significantly superior to the 22-gauge needle in terms of ease of puncture (score: 1.9 vs. 1.29, P <.001) and in the quantity of specimen in the context of pancreatic mass EUS-FNA (score: 1.8 vs. 1.58, P <.05). Conclusion. The 22-gauge and 25-gauge needles have similar overall diagnostic yield. The 25-gauge needle appeared superior in the subset of patients with hard lesions and pancreatic masses. © 2009 Hiroo Imazu et al.
Source Title: Gastroenterology Research and Practice
URI: https://scholarbank.nus.edu.sg/handle/10635/178210
ISSN: 1687-6121
DOI: 10.1155/2009/546390
Rights: Attribution 4.0 International
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