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Takahisa Ogawa 10 Articles
Diagnostic value of homogenous delayed enhancement in contrast-enhanced computed tomography images and endoscopic ultrasound-guided tissue acquisition for patients with focal autoimmune pancreatitis
Keisuke Yonamine, Shinsuke Koshita, Yoshihide Kanno, Takahisa Ogawa, Hiroaki Kusunose, Toshitaka Sakai, Kazuaki Miyamoto, Fumisato Kozakai, Hideyuki Anan, Haruka Okano, Masaya Oikawa, Takashi Tsuchiya, Takashi Sawai, Yutaka Noda, Kei Ito
Clin Endosc 2023;56(4):510-520.   Published online April 5, 2023
DOI: https://doi.org/10.5946/ce.2022.142
Graphical AbstractGraphical Abstract AbstractAbstract PDFPubReaderePub
Background
/Aims: We aimed to investigate (1) promising clinical findings for the recognition of focal type autoimmune pancreatitis (FAIP) and (2) the impact of endoscopic ultrasound (EUS)-guided tissue acquisition (EUS-TA) on the diagnosis of FAIP.
Methods
Twenty-three patients with FAIP were involved in this study, and 44 patients with resected pancreatic ductal adenocarcinoma (PDAC) were included in the control group.
Results
(1) Multivariate analysis revealed that homogeneous delayed enhancement on contrast-enhanced computed tomography was a significant factor indicative of FAIP compared to PDAC (90% vs. 7%, p=0.015). (2) For 13 of 17 FAIP patients (76.5%) who underwent EUS-TA, EUS-TA aided the diagnostic confirmation of AIPs, and only one patient (5.9%) was found to have AIP after surgery. On the other hand, of the six patients who did not undergo EUS-TA, three (50.0%) underwent surgery for pancreatic lesions.
Conclusions
Homogeneous delayed enhancement on contrast-enhanced computed tomography was the most useful clinical factor for discriminating FAIPs from PDACs. EUS-TA is mandatory for diagnostic confirmation of FAIP lesions and can contribute to a reduction in the rate of unnecessary surgery for patients with FAIP.

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  • A multidisciplinary approach is essential for differentiating autoimmune pancreatitis from pancreatic adenocarcinoma
    Sung-Hoon Moon
    Clinical Endoscopy.2023; 56(4): 457.     CrossRef
  • 1,876 View
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  • 1 Web of Science
  • 1 Crossref
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Pancreatic duct lavage cytology combined with a cell-block method for patients with possible pancreatic ductal adenocarcinomas, including pancreatic carcinoma in situ
Hiroaki Kusunose, Shinsuke Koshita, Yoshihide Kanno, Takahisa Ogawa, Toshitaka Sakai, Keisuke Yonamine, Kazuaki Miyamoto, Fumisato Kozakai, Hideyuki Anan, Kazuki Endo, Haruka Okano, Masaya Oikawa, Takashi Tsuchiya, Takashi Sawai, Yutaka Noda, Kei Ito
Clin Endosc 2023;56(3):353-366.   Published online November 16, 2022
DOI: https://doi.org/10.5946/ce.2022.021
Graphical AbstractGraphical Abstract AbstractAbstract PDFPubReaderePub
Background
/Aims: This study aimed to clarify the efficacy and safety of pancreatic duct lavage cytology combined with a cell-block method (PLC-CB) for possible pancreatic ductal adenocarcinomas (PDACs).
Methods
This study included 41 patients with suspected PDACs who underwent PLC-CB mainly because they were unfit for undergoing endoscopic ultrasonography-guided fine needle aspiration. A 6-Fr double lumen catheter was mainly used to perform PLC-CB. Final diagnoses were obtained from the findings of resected specimens or clinical outcomes during surveillance after PLC-CB.
Results
Histocytological evaluations using PLC-CB were performed in 87.8% (36/41) of the patients. For 31 of the 36 patients, final diagnoses (invasive PDAC, 12; pancreatic carcinoma in situ, 5; benignancy, 14) were made, and the remaining five patients were excluded due to lack of surveillance periods after PLC-CB. For 31 patients, the sensitivity, specificity, and accuracy of PLC-CB for detecting malignancy were 94.1%, 100%, and 96.8%, respectively. In addition, they were 87.5%, 100%, and 94.1%, respectively, in 17 patients without pancreatic masses detectable using endoscopic ultrasonography. Four patients developed postprocedural pancreatitis, which improved with conservative therapy.
Conclusions
PLC-CB has an excellent ability to detect malignancies in patients with possible PDACs, including pancreatic carcinoma in situ.

Citations

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  • Early diagnosis of pancreatic cancer via pancreatic juice cytology with a cell-block method in a patient with altered anatomy
    Yasuo Otsuka, Kosuke Minaga, Akane Hara, Kentaro Yamao, Mamoru Takenaka, Takaaki Chikugo, Masatoshi Kudo
    Endoscopy International Open.2024; 12(06): E764.     CrossRef
  • Cell block created from pancreatic duct lavage is another jigsaw puzzle to diagnose early pancreatic ductal adenocarcinoma
    Rungsun Rerknimitr
    Clinical Endoscopy.2023; 56(3): 313.     CrossRef
  • 2,376 View
  • 202 Download
  • 2 Web of Science
  • 2 Crossref
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Endoscopic Interventions for the Early and Remission Phases of Acute Biliary Pancreatitis: What are the More Concrete and Practical Situations for Performing Them?
Sho Hasegawa, Shinsuke Koshita, Yoshihide Kanno, Takahisa Ogawa, Toshitaka Sakai, Hiroaki Kusunose, Kensuke Kubota, Atsushi Nakajima, Yutaka Noda, Kei Ito
Clin Endosc 2021;54(6):888-898.   Published online May 27, 2021
DOI: https://doi.org/10.5946/ce.2020.271
AbstractAbstract PDFPubReaderePub
Background
/Aims: The use of endoscopic intervention (EI) for acute biliary pancreatitis (ABP) remains controversial because the severity of biliary obstruction/cholangitis/pancreatitis is not reflected in the indications for early EI (EEI).
Methods
A total of 148 patients with ABP were included to investigate 1) the differences in the rate of worsening cholangitis/pancreatitis between the EEI group and the early conservative management (ECM) group, especially for each severity of cholangitis/pancreatitis, and 2) the diagnostic ability of imaging studies, including endoscopic ultrasound (EUS), to detect common bile duct stones (CBDSs) in the ECM group.
Results
No differences were observed in the rate of worsening cholangitis between the EEI and ECM groups, regardless of the severity of cholangitis and/or the existence of impacted CBDSs. Among patients without impacted CBDSs and moderate/severe cholangitis, worsening pancreatitis was significantly more frequent in the EEI group (18% vs. 4%, p=0.048). In patients in the ECM group, the sensitivity and specificity for detecting CBDSs were 73% and 98%, respectively, for EUS, whereas the values were 13% and 92%, respectively, for magnetic resonance cholangiopancreatography.
Conclusions
EEI should be avoided in the absence of moderate/severe cholangitis and/or impacted CBDSs because of the high rate of worsening pancreatitis. EUS can contribute to the accurate detection of residual CBDSs, for the determination of the need for elective EI.
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Safety and Recipient Satisfaction of Propofol Sedation in Outpatient Endoscopy: A 24-Hour Prospective Investigation Using a Questionnaire Survey
Yoshihide Kanno, Tetsuya Ohira, Yoshihiro Harada, Shinsuke Koshita, Takahisa Ogawa, Hiroaki Kusunose, Yoshiki Koike, Taku Yamagata, Toshitaka Sakai, Kaori Masu, Keisuke Yonamine, Kazuaki Miyamoto, Megumi Tanaka, Tomohiro Shimada, Fumisato Kozakai, Kazuki Endo, Haruka Okano, Daichi Komabayashi, Takeshi Shimizu, Shohei Suzuki, Kei Ito
Clin Endosc 2021;54(3):340-347.   Published online December 11, 2020
DOI: https://doi.org/10.5946/ce.2020.138
AbstractAbstract PDFPubReaderePub
Background
/Aims: The aim of this study was to evaluate the safety of sedation with propofol as an alternative to benzodiazepine drugs in outpatient endoscopy.
Methods
In this prospective study, examinees who underwent outpatient endoscopy under propofol sedation and submitted a nextday questionnaire with providing informed consent were evaluated. Periprocedural acute responses, late adverse events within 24 hours, and examinee satisfaction were evaluated.
Results
Among the 4,122 patients who received propofol in the 17,978 outpatient-based endoscopic examinations performed between November 2016 and March 2018, 2,305 eligible examinees (esophagogastroduodenoscopy for 1,340, endoscopic ultrasonography for 945, and total colonoscopy for 20) were enrolled, and their responses to a questionnaire were analyzed. The mean propofol dose was 69.6±24.4 mg (range, 20–200 mg). Diazepam, midazolam, and/or pentazocine in combination with propofol was administered to 146 examinees. Mild oxygen desaturation was observed in 59 examinees (2.6%); and mild bradycardia, in 2 (0.09%). Other severe reactions or late events did not occur. After eliminating 181 invalid responses, 97.7% (2,065/2,124) of the patients desired propofol sedation in future examinations.
Conclusions
Propofol sedation was found to be safe—without severe adverse events or accidents—for outpatient endoscopy on the basis of the patients’ next-day self-evaluation. Given the high satisfaction level, propofol sedation might be an ideal tool for painless endoscopic screening.

Citations

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  • How to implement adverse events as a quality indicator in gastrointestinal endoscopy
    Tom G. Moreels
    Digestive Endoscopy.2024; 36(1): 89.     CrossRef
  • Propofol Alone versus Propofol in Combination with Midazolam for Sedative Endoscopy in Patients with Paradoxical Reactions to Midazolam
    Ji Hyung Nam, Dong Kee Jang, Jun Kyu Lee, Hyoun Woo Kang, Byung-Wook Kim, Byung Ik Jang
    Clinical Endoscopy.2022; 55(2): 234.     CrossRef
  • Drugs used for sedation in gastrointestinal endoscopy
    Jun Kyu Lee
    Journal of the Korean Medical Association.2022; 65(11): 735.     CrossRef
  • 4,083 View
  • 125 Download
  • 3 Web of Science
  • 3 Crossref
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Inside Plastic Stents versus Metal Stents for Treating Unresectable Malignant Perihilar Biliary Obstructions: A Retrospective Comparative Study
Yoshihide Kanno, Shinsuke Koshita, Takahisa Ogawa, Hiroaki Kusunose, Kaori Masu, Toshitaka Sakai, Keisuke Yonamine, Kazuaki Miyamoto, Toji Murabayashi, Fumisato Kozakai, Jun Horaguchi, Yutaka Noda, Kei Ito
Clin Endosc 2020;53(6):735-742.   Published online March 4, 2020
DOI: https://doi.org/10.5946/ce.2020.003
AbstractAbstract PDFPubReaderePub
Background
/Aims: The aim of this study was to evaluate outcomes of inside plastic stents (iPSs) versus those of metal stents (MSs) for treating unresectable perihilar malignant obstructions.
Methods
For all patients who underwent endoscopic suprapapillary placement of iPS(s) or MS(s) as the first permanent biliary drainage for unresectable malignant perihilar obstructions between January 2014 and August 2019, clinical outcomes using iPSs (n=20) and MSs (n=85), including clinical efficacy, adverse events, and time to recurrence of biliary obstruction (RBO), were retrospectively evaluated.
Results
There were no differences in clinical effectiveness (95% for the iPS group vs. 92% for the MS group, p=1.00). Procedure-related adverse events, including pancreatitis, acute cholangitis, acute cholecystitis, and death, were observed for 8% of the MS group, although no patient in the iPS group developed such adverse events. The median time to RBO was 561 days (95% confidence interval, 0–1,186 days) for iPSs and 209 days (127–291 days) for MSs, showing a significant difference (p=0.008).
Conclusions
Time to RBO after iPS placement was significantly longer than that after MS placement. IPSs, which are removable, unlike MSs, were an acceptable option.

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    Mitsuru Okuno, Keisuke Iwata, Tsuyoshi Mukai, Yuhei Iwasa, Shinya Uemura, Kensaku Yoshida, Akinori Maruta, Takuji Iwashita, Ichiro Yasuda, Masahito Shimizu
    Journal of Hepato-Biliary-Pancreatic Sciences.2024; 31(4): 284.     CrossRef
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    Digestive Diseases and Sciences.2024; 69(3): 969.     CrossRef
  • Partial Stent-in-Stent Method with an Uncovered Self-Expandable Metallic Stent for Unresectable Malignant Hilar Bile Duct Obstruction
    Takuya Shimosaka, Yohei Takeda, Taro Yamashita, Yuta Seki, Shiho Kawahara, Takayuki Hirai, Noriyuki Suto, Yuri Sakamoto, Wataru Hamamoto, Hiroki Koda, Takumi Onoyama, Kazuya Matsumoto, Kazuo Yashima, Hajime Isomoto, Naoyuki Yamaguchi
    Journal of Clinical Medicine.2024; 13(3): 820.     CrossRef
  • Current status of preoperative endoscopic biliary drainage for distal and hilar biliary obstruction
    Hirotoshi Ishiwatari, Junya Sato, Hiroki Sakamoto, Takuya Doi, Hiroyuki Ono
    Digestive Endoscopy.2024;[Epub]     CrossRef
  • Biliary drainage in hilar and perihilar cholangiocarcinoma: 25-year experience at a tertiary cancer center
    Ahmad Al Nakshabandi, Faisal S. Ali, Iyad Albustami, Hyunsoo Hwang, Wei Qiao, Nicole C. Johnston, Abdullah S. Shaikh, Emmanuel Coronel, Phillip S. Ge, William Ross, Brian Weston, Jeffrey H. Lee
    Gastrointestinal Endoscopy.2024; 99(6): 938.     CrossRef
  • Safety and efficacy of biliary suprapapillary metal and plastic stents in malignant biliary obstruction: a systematic review and meta-analysis
    Saqr Alsakarneh, Mahmoud Y. Madi, Fouad Jaber, Kamal Hassan, Yassine Kilani, Omar Al Ta’ani, Dushyant Singh Dahiya, Amir H. Sohail, Laith Numan, Mohammad Bilal, Wissam Kiwan
    Surgical Endoscopy.2024;[Epub]     CrossRef
  • Clinical Outcomes of Inside Stents and Conventional Plastic Stents as Bridge-to-Surgery Options for Malignant Hilar Biliary Obstruction
    Hirotoshi Ishiwatari, Takanori Kawabata, Hiroki Kawashima, Yousuke Nakai, Shin Miura, Hironari Kato, Hideyuki Shiomi, Nao Fujimori, Takeshi Ogura, Osamu Inatomi, Kensuke Kubota, Toshio Fujisawa, Mamoru Takenaka, Hiroshi Mori, Kensaku Noguchi, Yuki Fujii,
    Digestive Diseases and Sciences.2023; 68(4): 1139.     CrossRef
  • Development of novel biliary metal stent with coil-spring structure and its application in vivo swine biliary stricture model
    In Rae Cho, Sang Hyub Lee, Jin Ho Choi, Namyoung Park, Min Woo Lee, Joo Seong Kim, Seok Jeong, Don Haeng Lee, Tae-Won Jeong, Byoung-Yun Ki, Woo Hyun Paik, Ji Kon Ryu, Yong-Tae Kim
    Frontiers in Oncology.2023;[Epub]     CrossRef
  • Endoscopic retrograde stent drainage therapies for malignant biliary obstruction: the distal opening of stent location above or across the duodenal papilla? A systematic review and meta-analysis
    Dong Fang, Yi Han, Chenglin Zhu, Zhenwang Shi, Deming Bao, Liming Wang, Qin Xu
    Scandinavian Journal of Gastroenterology.2023; 58(9): 1071.     CrossRef
  • Suprapapillary placement of plastic versus metal stents for malignant biliary hilar obstructions: a multicenter, randomized trial
    Yoshihide Kanno, Kei Ito, Kazunari Nakahara, Shinya Kawaguchi, Yoshiharu Masaki, Toru Okuzono, Hironari Kato, Masaki Kuwatani, Shotaro Ishii, Toji Murabayashi, Sho Hasegawa, Masatsugu Nagahama, Yuji Iwashita, Yosuke Michikawa, Shuzo Terada, Yujiro Kawakam
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  • Déjà vu but with a different conclusion
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    Gastrointestinal Endoscopy.2023; 98(5): 787.     CrossRef
  • Utility of bilateral intraductal plastic stent for malignant hilar biliary obstruction compared with bilateral self-expandable metal stent: a propensity score–matched cohort analysis
    Mitsuru Okuno, Keisuke Iwata, Takuji Iwashita, Tsuyoshi Mukai, Kota Shimojo, Yosuke Ohashi, Yuhei Iwasa, Akihiko Senju, Shota Iwata, Ryuichi Tezuka, Hironao Ichikawa, Naoki Mita, Shinya Uemura, Kensaku Yoshida, Akinori Maruta, Eiichi Tomita, Ichiro Yasuda
    Gastrointestinal Endoscopy.2023; 98(5): 776.     CrossRef
  • Cross‐wired metal stents for endoscopic bilateral stent‐in‐stent deployment in malignant hilar biliary obstruction: A multicenter, single‐arm, prospective study
    Kentaro Yamao, Takeshi Ogura, Hideyuki Shiomi, Takaaki Eguchi, Hisakazu Matsumoto, Zhao Liang Li, Hiroaki Hashimoto, Yasutaka Chiba, Mamoru Takenaka, Tomohiro Watanabe, Masatoshi Kudo, Tsuyoshi Sanuki
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    DEN Open.2022;[Epub]     CrossRef
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    Clinical Endoscopy.2022; 55(6): 784.     CrossRef
  • Self‐expandable metal stents have longer patency and less cholangitis than inside stents in malignant perihilar biliary obstruction
    Akinobu Koiwai, Morihisa Hirota, Tomofumi Katayama, Ryo Kin, Keita Kawamura, Katsuya Endo, Takayuki Kogure, Atsuko Takasu, Takayoshi Meguro, Kennichi Satoh
    JGH Open.2022; 6(5): 317.     CrossRef
  • Two-devices-in-one-channel method for preventing the preceding stent migration in case of multiple indwelling biliary inside plastic stents
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    Endoscopy.2022; 54(S 02): E948.     CrossRef
  • Editors' Choice of Noteworthy Clinical Endoscopy Publications in the First Decade
    Gwang Ha Kim, Kwang An Kwon, Do Hyun Park, Jimin Han
    Clinical Endoscopy.2021; 54(5): 633.     CrossRef
  • Endoscopic or percutaneous biliary drainage in hilar cholangiocarcinoma: When and how?
    Tudor Mocan, Adelina Horhat, Emil Mois, Florin Graur, Cristian Tefas, Rares Craciun, Iuliana Nenu, Mihaela Spârchez, Zeno Sparchez
    World Journal of Gastrointestinal Oncology.2021; 13(12): 2050.     CrossRef
  • Changing Trends in Biliary Stenting for Unresectable Malignant Perihilar Obstructions
    Lubna Kamani, Muhammad Arshad
    Clinical Endoscopy.2020; 53(6): 636.     CrossRef
  • 5,521 View
  • 243 Download
  • 20 Web of Science
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Predictive Value of Localized Stenosis of the Main Pancreatic Duct for Early Detection of Pancreatic Cancer
Yoshihide Kanno, Shinsuke Koshita, Takahisa Ogawa, Hiroaki Kusunose, Kaori Masu, Toshitaka Sakai, Keisuke Yonamine, Yujiro Kawakami, Yuki Fujii, Kazuaki Miyamoto, Toji Murabayashi, Fumisato Kozakai, Jun Horaguchi, Yutaka Noda, Masaya Oikawa, Takaho Okada, Kei Ito
Clin Endosc 2019;52(6):588-597.   Published online November 20, 2019
DOI: https://doi.org/10.5946/ce.2019.018
AbstractAbstract PDFPubReaderePub
Background
/Aims: In this study, we aimed to evaluate the predictive value of localized stenosis of the main pancreatic duct (MPD) for early detection of pancreatic cancer.
Methods
Among 689 patients who underwent endoscopic retrograde pancreatography from January 2008 to September 2018, 19 patients with MPD findings were enrolled. These patients showed findings for indicating suspicious pancreatic cancer at an early stage (FiCE); FiCE was defined as a single, localized stenosis in the MPD without a detectable mass (using any other imaging methods) and without other pancreatic diseases, such as definite chronic pancreatitis, intraductal papillary mucinous neoplasm, and autoimmune pancreatitis. Final diagnoses were established by examining resected specimens or through follow-up examinations after an interval of >5 years.
Results
Among 19 patients with FiCE, 11 underwent surgical resection and 8 were evaluated after a >5-year observation period. The final diagnosis of the MPD stenosis was judged to be pancreatic cancer in 9 patients (47%), including 3 with intraepithelial cancer, and to be a non-neoplastic change in 10. The sensitivity, specificity, and accuracy of preoperative pancreatic juice cytology were 75%, 100%, and 88%, respectively.
Conclusions
The predictive value of FiCE for pancreatic cancer prevalence was 47%. Histological confirmation with pancreatic juice cytology is necessary before surgical resection.

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  • Pancreatic duct lavage cytology combined with a cell-block method for patients with possible pancreatic ductal adenocarcinomas, including pancreatic carcinoma in situ
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    Clinical Endoscopy.2023; 56(3): 353.     CrossRef
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    The Tohoku Journal of Experimental Medicine.2020; 252(4): 353.     CrossRef
  • Can Localized Stenosis of the Main Pancreatic Duct be a Predictive Factor for Early Detection of Pancreatic Cancer?
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    Clinical Endoscopy.2019; 52(6): 523.     CrossRef
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  • 11 Web of Science
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Endoscopic Ultrasonography-Guided Gallbladder Drainage as a Treatment Option for Acute Cholecystitis after Metal Stent Placement in Malignant Biliary Strictures
Fumisato Kozakai, Yoshihide Kanno, Kei Ito, Shinsuke Koshita, Takahisa Ogawa, Hiroaki Kusunose, Kaori Masu, Toshitaka Sakai, Toji Murabayashi, Keisuke Yonamine, Yujiro Kawakami, Yuki Fujii, Kazuaki Miyamoto, Yutaka Noda
Clin Endosc 2019;52(3):262-268.   Published online March 15, 2019
DOI: https://doi.org/10.5946/ce.2018.183
AbstractAbstract PDFPubReaderePub
Background
/Aims: It is often difficult to manage acute cholecystitis after metal stent (MS) placement in unresectable malignant biliary strictures. The aim of this study was to evaluate the feasibility of endoscopic ultrasonography-guided gallbladder drainage (EUS-GBD) for acute cholecystitis.
Methods
The clinical outcomes of 10 patients who underwent EUS-GBD for acute cholecystitis after MS placement between January 2011 and August 2018 were retrospectively evaluated. The procedural outcomes of percutaneous transhepatic gallbladder drainage (PTGBD) with tube placement (n=11 cases) and aspiration (PTGBA) (n=27 cases) during the study period were evaluated as a reference.
Results
The technical success and clinical effectiveness rates of EUS-GBD were 90% (9/10) and 89% (8/9), respectively. Severe bile leakage that required surgical treatment occurred in one case. Acute cholecystitis recurred after stent dislocation in 38% (3/8) of the cases. Both PTGBD and PTGBA were technically successful in all cases without severe adverse events and clinically effective in 91% and 63% of the cases, respectively.
Conclusions
EUS-GBD after MS placement was a feasible option for treating acute cholecystitis. However, it was a rescue technique following the established percutaneous intervention in the current setting because of the immature technical methodology, including dedicated devices, which need further development.

Citations

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Predictive Factors for Inaccurate Diagnosis of Swollen Lymph Nodes in Endoscopic Ultrasound-Guided Fine Needle Aspiration
Yuki Fujii, Yoshihide Kanno, Shinsuke Koshita, Takahisa Ogawa, Hiroaki Kusunose, Kaori Masu, Toshitaka Sakai, Keisuke Yonamine, Yujiro Kawakami, Toji Murabayashi, Fumisato Kozakai, Yutaka Noda, Hiroyuki Okada, Kei Ito
Clin Endosc 2019;52(2):152-158.   Published online January 7, 2019
DOI: https://doi.org/10.5946/ce.2018.125
AbstractAbstract PDFPubReaderePub
Background
/Aims: This study aimed to identify the predictive factors for inaccurate endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) diagnosis of swollen lymph nodes without rapid on-site cytopathological evaluation.
Methods
Eighty-three consecutive patients who underwent EUS-FNA for abdominal or mediastinal lymph nodes from January 2008 to June 2017 were included from a prospectively maintained EUS-FNA database and retrospectively reviewed. The sensitivity, specificity, and accuracy of EUS-FNA for the detection of neoplastic diseases were calculated. Candidate factors for inaccurate diagnosis (lymph node size and location, needle type, puncture route, number of passes, and causative disease) were evaluated by comparison between accurately diagnosed cases and others.
Results
The final diagnosis of the punctured lymph node was classified as neoplastic (65 cases: a metastatic lymph node, malignant lymphoma, or Crow-Fukase syndrome) or non-neoplastic (18 cases: a reactive node or amyloidosis). The sensitivity, specificity, and accuracy were 83%, 94%, and 86%, respectively. On multivariate analyses, small size of the lymph node was the sole predictive factor for inaccurate EUS-FNA diagnosis with a significant difference (odds ratios, 19.8; 95% confidence intervals, 3.15–124; p=0.0015).
Conclusions
The lymph node size of <16 mm was the only independent factor associated with inaccurate EUS-FNA diagnosis of swollen lymph nodes.

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  • Role of EBUS‐TBNA/EUS‐FNA and mass spectrometry for diagnosis and typing of lymph node amyloidosis: 10‐year experience in two tertiary care academic centers
    Asghar Naqvi, Michael Bonert, Christian Finley, Katarzyna Czarnecka‐Kujawa, Kazuhiro Yasufuku, Joerg Schwock, Vathany Kulasingam, Rohan John, Hyang‐Mi Ko
    Cancer Cytopathology.2023; 131(11): 724.     CrossRef
  • Endoscopic Ultrasound-Guided Fine Needle Biopsy in the Diagnostic Work-Up of Deep-Seated Lymphadenopathies and Spleen Lesions: A Monocentric Experience
    Flaminia Bellisario, Fabia Attili, Fabrizia Campana, Federica Borrelli de Andreis, Silvia Bellesi, Elena Maiolo, Eleonora Alma, Rosalia Malafronte, Giuseppe Macis, Luigi Maria Larocca, Salvatore Annunziata, Francesco D’Alò, Stefan Hohaus
    Diagnostics.2023; 13(17): 2839.     CrossRef
  • Lymph node FNA cytology: Diagnostic performance and clinical implications of proposed diagnostic categories
    Vladislav V. Makarenko, Michelle E. DeLelys, Robert P. Hasserjian, Amy Ly
    Cancer Cytopathology.2022; 130(2): 144.     CrossRef
  • Diagnostic accuracy and clinical impact of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) in Positron Emission Tomography - Computed Tomography (PET-CT)-positive mediastinal lymphadenopathies in patients with thoracic or extra-thoracic mali
    Dominique Béchade, Carine Bellera, Lisa Gauquelin, Isabelle Soubeyran, Pippa McKelvie-Sebileau, Marc Debled, François Chomy, Guilhem Roubaud, Marianne Fonck, Simon Pernot, Alexandre Roch, Anne-Laure Cazeau
    Clinics and Research in Hepatology and Gastroenterology.2022; 46(5): 101912.     CrossRef
  • High Diagnostic Accuracy and Safety of Endoscopic Ultrasound-Guided Fine-Needle Aspiration in Malignant Lymph Nodes: A Systematic Review and Meta-Analysis
    Linbin Chen, Yin Li, Xiaoyan Gao, Shiyong Lin, Longjun He, Guangyu Luo, Jianjun Li, Chunyu Huang, Guobao Wang, Qing Yang, Hongbo Shan
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    Yuki Tanisaka, Masafumi Mizuide, Akashi Fujita, Tomoya Ogawa, Ryuichiro Araki, Masahiro Suzuki, Hiromune Katsuda, Youichi Saito, Kazuya Miyaguchi, Tomoaki Tashima, Yumi Mashimo, Masami Yasuda, Shomei Ryozawa, Konstantinos Triantafyllou
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Capability of Radial- and Convex-Arrayed Echoendoscopes for Visualization of the Pancreatobiliary Junction
Yoshihide Kanno, Kei Ito, Shinsuke Koshita, Takahisa Ogawa, Hiroaki Kusunose, Kaori Masu, Toshitaka Sakai, Toji Murabayashi, Sho Hasegawa, Fumisato Kozakai, Yujiro Kawakami, Yuki Fujii, Yutaka Noda
Clin Endosc 2018;51(3):274-278.   Published online September 25, 2017
DOI: https://doi.org/10.5946/ce.2017.098
AbstractAbstract PDFPubReaderePub
Background
/Aims: Although both radial- and convex-arrayed endoscopic ultrasonography (EUS) scopes are widely used for observational EUS examinations, there have been few comparative studies on their power of visualization. The aim of this study was to evaluate the capability of these EUS scopes for observation of the pancreatobiliary junction.
Methods
The rate of successful visualization of the pancreatobiliary junction was retrospectively compared between a radial-arrayed and a convex-arrayed echoendoscope, from a prospectively maintained database. Study periods were defined as January 2010 to December 2012 for the radial group, and February 2015 to October 2016 for the convex group because the respective scope was mainly used during those periods.
Results
During the study period, 1,660 cases with radial EUS and 1,984 cases with convex EUS were recruited. The success rates of observation of the pancreatobiliary junction were 80.0% and 89.5%, respectively (p<0.0001).
Conclusions
The capability of visualization of the pancreatobiliary junction in observational EUS was found to be better with a convex-arrayed than with a radial-arrayed echoendoscope.

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    Christian Jenssen, Christian P. Nolsøe, Torben Lorentzen, Jae Young Lee, Nitin Chaubal, Kathleen Möller, Caroline Ewertsen, Xin Wu Cui, Edda Leonor Chaves, Alina Popescu, Yi Dong, Christoph F. Dietrich
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    Kathleen Möller, Christian Jenssen, André Ignee, Michael Hocke, Siegbert Faiss, Julio Iglesias-Garcia, Siyu Sun, Yi Dong, ChristophF Dietrich
    Endoscopic Ultrasound.2023; 12(2): 200.     CrossRef
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    Zhixian Lan, Kangyue Sun, Yuchen Luo, Haiyan Hu, Wei Zhu, Wen Guo, Jing Wen, Wenting Mi, Junsheng Chen, Xiang Chen, Venkata Akshintala, Ying Huang, Side Liu, Yue Li
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  • Evaluation of a novel radial echoendosonoscope with a piezoelectric-composite transducer: An open-label, multicenter, randomized, parallel-group, noninferiority clinical trial
    Sheng Wang, Jintao Guo, Xiang Liu, Nan Ge, Guoxin Wang, Jinlong Hu, Kai Zhang, Siyu Sun
    Endoscopic Ultrasound.2021; 10(6): 431.     CrossRef
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Prophylactic endoscopic transpapillary gallbladder stenting to prevent acute cholecystitis induced after metallic stent placement for malignant biliary strictures: a retrospective study, Japan
Fumisato Kozakai, Yoshihide Kanno, Shinsuke Koshita, Takahisa Ogawa, Hiroaki Kusunose, Toshitaka Sakai, Keisuke Yonamine, Kazuaki Miyamoto, Haruka Okano, Yuto Matsuoka, Kento Hosokawa, Hidehito Sumiya, Kei Ito
Received November 6, 2023  Accepted December 25, 2023  Published online May 17, 2024  
DOI: https://doi.org/10.5946/ce.2023.284    [Epub ahead of print]
Graphical AbstractGraphical Abstract AbstractAbstract PDFPubReaderePub
Background
/Aims: Endoscopic biliary drainage using self-expandable metallic stents (SEMSs) for malignant biliary strictures occasionally induces acute cholecystitis (AC). This study evaluated the efficacy of prophylactic gallbladder stents (GBS) during SEMS placement.
Methods
Among 158 patients who underwent SEMS placement for malignant biliary strictures between January 2018 and March 2023, 30 patients who attempted to undergo prophylactic GBS placement before SEMS placement were included.
Results
Technical success was achieved in 21 cases (70.0%). The mean diameter of the cystic duct was more significant in the successful cases (6.5 mm vs. 3.7 mm, p<0.05). Adverse events occurred for 7 patients (23.3%: acute pancreatitis in 7; non-obstructive cholangitis in 1; perforation of the cystic duct in 1 with an overlap), all of which improved with conservative treatment. No patients developed AC when the GBS placement was successful, whereas 25 of the 128 patients (19.5%) without a prophylactic GBS developed AC during the median follow-up period of 357 days (p=0.043). In the multivariable analysis, GBS placement was a significant factor in preventing AC (hazard ratio, 0.61; 95% confidence interval, 0.37–0.99; p=0.045).
Conclusions
GBS may contribute to the prevention of AC after SEMS placement for malignant biliary strictures.
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