1. Zakaria A, Al-Share B, Klapman JB, Dam A.The role of endoscopic ultrasonography in the diagnosis and staging of pancreatic cancer. Cancers (Basel). 2022; 14(6): 1373. doi: 10.3390/cancers14061373
2. Sbeit W, Napoléon B, Khoury T. Endoscopic ultrasound role in pancreatic adenocarcinoma treatment: A review focusing on technical success, safety and efficacy. World J Gastroenterol. 2022; 28(3): 332-347. doi: 10.3748/wjg.v28.i3.332
3. Duarte-Chavez R, Kahaleh M. Therapeutic endoscopic ultrasound. Transl Gastroenterol Hepatol. 2022; 7: 20. doi: 10.21037/tgh2020-12
4. Kerdsirichairat T, Ji Shin E. Endoscopic ultrasound guided interventions in the management of pancreatic cancer. World J Gastrointest Endosc. 2022; 14(4): 191-204. doi: 10.4253/wjge.v14.i4.191
5. Holt BA, Varadarajulu S, Hébert-Magee S. High-quality endoscopic ultrasound-guided fine needle aspiration tissue acquisition. Adv Ther. 2014; 31: 696-707. doi: 10.1007/s12325-014-0129-5
6. Yousaf MN, Chaudhary FS, Ehsan A, et al. Endoscopic ultrasound (EUS) and the management of pancreatic cancer. BMJ Open Gastroenterol. 2020; 7(1): e000408. doi: 10.1136/bmjgast-2020-000408
7. Bratanic A, Bozic D, Mestrovic A, et al. Role of endoscopic ultrasound in anticancer therapy: Current evidence and future perspectives. World J Gastrointest Oncol. 2021; 13(12): 1863-1879. doi: 10.4251/wjgo.v13.i12.1863
8. ASGE Standards of Practice Committee Anderson MA, Ben-Menachem T, Gan SI, et al. Management of antithrombotic agents for endoscopic procedures. Gastrointest Endosc. 2009; 70(6): 1060-1070. doi: 10.1016/j.gie.2009.09.040
9. Yusuf TE, Ho S, Pavey DA, et al. Retrospective analysis of the utility of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) in pancreatic masses, using a 22-gauge or 25-gauge needle system: A multicenter experience. Endoscopy. 2009; 41(5): 445-448. doi: 10.1055/s-0029-1214643
10. Nguyen TTH, Lee CE, Whang CS, et al. A Comparison of the diagnostic yield and specimen adequacy between 22 and 25 gauge needles for Endoscopic Ultrasound Guided Fine-Needle Aspiration (EUS-FNA) of Solid Pancreatic Lesions (SPL): Is bigger better? Gastrointest Endosc. 2008; 67(5): AB100. doi: 10.1016/j.gie.2008.03.114
11. Lee JH, Stewart J, Ross WA, et al. Blinded prospective comparison of the performance of 22-gauge and 25-gauge needles in endoscopic ultrasound-guided fine needle aspiration of the pancreas and peri-pancreatic lesions. Dig Dis Sci. 2009; 54(10): 2274-2281. doi: 10.1007/s10620-009-0906-1
12. Tanaka H, Matsusaki S. The utility of endoscopic-ultrasonography-guided tissue acquisition for solid pancreatic lesions. Diagnostics (Basel). 2022; 12(3): 75. doi: 10.3390/diagnostics12030753
13. Ku L, Shahshahan MA, Hou LA, et al. Improved diagnostic yield of endoscopic ultrasound-fine needle biopsy with histology specimen processing. World J Gastrointest Endosc. 2020; 12(8): 212- 219. doi: 10.4253/wjge.v12.i8.212
14. Rong L, Kida M, Yamauchi H, et al. Factors affecting the diagnostic accuracy of endoscopic ultrasonography-guided fine-needle aspiration (EUS-FNA) for upper gastrointestinal submucosal or extraluminal solid mass lesions. Dig Endosc. 2012; 24(5): 358-363. doi: 10.1111/j.1443-1661.2012.01243.x
15. Salom F, Prat F. Current role of endoscopic ultrasound in the diagnosis and management of pancreatic cancer. World J Gastrointest Endosc. 2022; 14(1): 35-48. doi: 10.4253/wjge.v14.i1.35
16. Gheorghiu M, Sparchez Z, Rusu I, et al. Direct comparison of elastography endoscopic ultrasound fine-needle aspiration and B-mode endoscopic ultrasound fine-needle aspiration in diagnosing solid pancreatic lesions. Int J Environ Res Public Health. 2022; 19(3): 1302. doi: 10.3390/ijerph19031302
17. Savides TJ. Tricks for improving EUS-FNA accuracy and maximizing cellular yield. Gastrointest Endosc. 2009; 69(suppl 2): S130-S133. doi: 10.1016/j.gie.2008.12.018
18. Abe Y, Kawakami H, Oba K, et al. Effect of a stylet on a histological specimen in EUS-guided fine-needle tissue acquisition by using 22-gauge needles: A multicenter, prospective, randomized, controlled trial. Gastrointest Endosc. 2015; 82: 837-844. doi: 10.1016/j.gie.2015.03.1898
19. Rastogi A, Wani S, Gupta N, et al. A prospective, single-blind, randomized, controlled trial of EUS-guided FNA with and without a stylet. Gastrointest Endosc. 2011; 74: 58-64. doi: 10.1016/j.gie.2011.02.015
20. Sahai AV, Paquin SC, Gariépy G. A prospective comparison of endoscopic ultrasound-guided fine needle aspiration results obtained in the same lesion, with and without the needle stylet. Endoscopy. 2010; 42: 900-903. doi: 10.1055/s-0030-1255676
21. Nijhawan S, Singh B, Kumar A, et al. Randomized controlled trial of comparison of the adequacy, and diagnostic yield of endoscopic ultrasound guided fine needle aspiration with and without a stylet in Indian patients: A prospective single blind study. J Dig Endosc. 2014; 5: 149-153. doi: 10.4103/0976-5042.150662
22. Wani S, Early D, Kunkel J, et al. Diagnostic yield of malignancy during EUS-guided FNA of solid lesions with and without a stylet: A prospective, single blind, randomized, controlled trial. Gastrointest Endosc. 2012; 76(2): 328-335. doi: 10.1016/j.gie.2012.03.1395
23. Wani S, Gupta N, Gaddam S, et al. A comparative study of endoscopic ultrasound guided fine needle aspiration with and without a stylet. Dig Dis Sci. 2011; 56: 2409-2414. doi: 10.1007/ s10620-011-1608-z
24. Gimeno-Garcia AZ, Paquin SC, Gariepy G, et al. Comparison of endoscopic ultrasonography-guided fine-needle aspiration cytology results with and without the stylet in 3364 cases. Dig Endosc. 2013; 25: 303-307. doi: 10.1111/j.1443-1661.2012.01374.x
25. Kim JH, Park SW, Kim MK, et al. Meta-analysis for cytopathological outcomes in endoscopic ultrasonography-guided fine-needle aspiration with and without the stylet. Dig Dis Sci. 2016; 61(8): 2175-2184. doi: 10.1007/s10620-016-4130-5
26. Rustgi SD, Zylberberg HM, Amin S, et al. Use of endoscopic ultrasound for pancreatic cancer from 2000 to 2016. Endosc Int Open. 2022; 10(1): E19-E29. doi: 10.1055/a-1608-0856
27. Lee JK, Choi JH, Lee KH, et al. A prospective, comparative trial to optimize sampling techniques in EUS-guided FNA of solid pancreatic masses. Gastrointest Endosc. 2013; 77(5): 745-751. doi: 10.1016/j.gie.2012.12.009
28. Polkowski M, Larghi A, Weynand B, et al. Learning, techniques, and complications of endoscopic ultrasound (EUS)-guided sampling in gastroenterology: European Society of Gastrointestinal Endoscopy (ESGE) technical guideline. Endoscopy. 2012; 44: 190- 206. doi: 10.1055/s-0031-1291543
29. Chen JY, Ding QY, Lv Y, et al. Slow-pull and different conventional suction techniques in endoscopic ultrasound-guided fine-needle aspiration of pancreatic solid lesions using 22-gauge needles. World J Gastroenterol. 2016; 22(39): 8790-8797. doi: 10.3748/wjg. v22.i39.8790
30. Katanuma A, Itoi T, Baron TH, et al. Bench-top testing of suction forces generated through endoscopic ultrasound-guided aspiration needles. J Hepatobiliary Pancreat Sci. 2015; 22(5): 379-385. doi: 10.1002/jhbp.201
31. Villa NA, Berzosa M, Wallace MB, et al. Endoscopic ultrasoundguided fine needle aspiration: The wet suction technique. Endosc Ultrasound. 2016; 5(1): 17-20. doi: 10.4103/2303-9027.175877
32. Attam R, Arain MA, Bloechl SJ, et al. “Wet suction technique (WEST)”: A novel way to enhance the quality of EUSFNA aspirate. Results of a prospective, single-blind, randomized, controlled trial using a 22-gauge needle for EUS-FNA of solid lesions. Gastrointest Endosc. 2015; 81(6): 1401-1407. doi: 10.1016/j. gie.2014.11.023
33. Bang JY, Magee SH, Ramesh J, et al. Randomized trial comparing fanning with standard technique for endoscopic ultrasoundguided fine-needle aspiration of solid pancreatic mass lesions. Endoscopy. 2013; 45(6): 445-450. doi: 10.1055/s-0032-1326268
34. Wyse JM, Paquin SC, Joseph L, et al. EUS-FNA without the stylet: The yield is comparable to that with the stylet and sampling of multiple sites during the same pass may improve sample quality and yield. Gastrointest Endosc. 2009; 69(5): AB330-AB331.
35. Mukai S, Itoi T, Ashida R, et al. Multicenter, prospective, crossover trial comparing the door-knocking method with the conven tional method for EUS-FNA of solid pancreatic masses (with videos). Gastrointest Endosc. 2016; 83(6): 1210-1217. doi: 10.1016/j.gie.2015.10.025
36. Nayar MK, Paranandi B, Dawwas MF, et al. Comparison of the diagnostic performance of 2 core biopsy needles for EUS-guided tissue acquisition from solid pancreatic lesions. Gastrointest Endosc. 2016. pii: S0016-5107(16)30554-5. doi: 10.1016/ j.gie.2016.08.048
37. Attili F, Petrone G, Abdulkader I, et al. Accuracy and interobserver agreement of the Procore™ 25 gauge needle for endoscopic ultrasound-guided tissue core biopsy. Dig Liver Dis. 2015; 47: 943- 949. doi: 10.1016/j.dld.2015.07.003