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Peroral pancreatoscopy with videoscopy and narrow-band imaging in intraductal papillary mucinous neoplasms with dilatation of the main pancreatic duct
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Yui Kishimoto, Naoki Okano, Ken Ito, Kensuke Takuma, Seiichi Hara, Susumu Iwasaki, Kensuke Yoshimoto, Yuto Yamada, Koji Watanabe, Yusuke Kimura, Hiroki Nakagawa, Yoshinori Igarashi
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Clin Endosc 2023;56(2):261-261. Published online March 6, 2023
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DOI: https://doi.org/10.5946/ce.2021.083.e1
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Corrects: Clin Endosc 2022;55(2):270
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 PDF PubReader ePub
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Peroral Pancreatoscopy with Videoscopy and Narrow-Band Imaging in Intraductal Papillary Mucinous Neoplasms with Dilatation of the Main Pancreatic Duct
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Yui Kishimoto, Naoki Okano, Ken Ito, Kensuke Takuma, Seiichi Hara, Susumu Iwasaki, Kensuke Yoshimoto, Yuto Yamada, Koji Watanabe, Yusuke Kimura, Hiroki Nakagawa, Yoshinori Igarashi
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Clin Endosc 2022;55(2):270-278. Published online December 6, 2021
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DOI: https://doi.org/10.5946/ce.2021.083
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Correction in: Clin Endosc 2023;56(2):261
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 Abstract
PDFPubReaderePub
- Background
/Aims: Endoscopic evaluation of intraductal papillary mucinous neoplasms (IPMNs) is useful in determining whether the lesions are benign or malignant. This study aimed to examine the usefulness of peroral pancreatoscopy (POPS) in determining the prognosis of IPMNs.
Methods
POPS with videoscopy was performed using the mother–baby scope technique. After surgery, computed tomography/magnetic resonance cholangiopancreatography or ultrasonography and blood tests were performed every 6 months during the follow-up.
Results
A total of 39 patients with main pancreatic duct (MPD)–type IPMNs underwent POPS using a videoscope, and the protrusions in the MPD were observed in 36 patients. The sensitivity and specificity of cytology/biopsy performed at the time of POPS were 85% and 87.5%, respectively. Of 19 patients who underwent surgery, 18 (95%) patients had negative surgical margins and 1 (5%) patient had a positive margin.
Conclusions
In IPMNs with dilatation of the MPD, POPS is considered effective if the lesions can be directly observed. The diagnosis of benign and malignant lesions is possible depending on the degree of lesion elevation. However, in some cases, slightly elevated lesions may increase in size during the follow-up or multiple lesions may be simultaneously present; therefore, careful follow-up is necessary.
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Citations
Citations to this article as recorded by  - Pancreatoscopy-Guided Endotherapies for Pancreatic Diseases
Yuri Hanada, Raj J. Shah
Gastrointestinal Endoscopy Clinics of North America.2024; 34(3): 417. CrossRef - Peroral pancreatoscopy with videoscopy and narrow-band imaging in intraductal papillary mucinous neoplasms with dilatation of the main pancreatic duct
Yui Kishimoto, Naoki Okano, Ken Ito, Kensuke Takuma, Seiichi Hara, Susumu Iwasaki, Kensuke Yoshimoto, Yuto Yamada, Koji Watanabe, Yusuke Kimura, Hiroki Nakagawa, Yoshinori Igarashi
Clinical Endoscopy.2023; 56(2): 261. CrossRef - Predicting Malignancy by Peroral Pancreatoscopy of an Intraductal Papillary Mucinous Neoplasm with a Dilated Main Pancreatic Duct: Is Seeing Enough?
Yun Nah Lee, Jong Ho Moon
Clinical Endoscopy.2022; 55(2): 213. CrossRef
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Endosonographic Preoperative Evaluation for Tumors of the Ampulla of Vater Using Endoscopic Ultrasonography and Intraductal Ultrasonography
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Naoki Okano, Yoshinori Igarashi, Seiichi Hara, Kensuke Takuma, Itaru Kamata, Yui Kishimoto, Takahiko Mimura, Ken Ito, Yasukiyo Sumino
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Clin Endosc 2014;47(2):174-177. Published online March 31, 2014
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DOI: https://doi.org/10.5946/ce.2014.47.2.174
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Abstract
PDFPubReaderePub
- Background/Aims
In recent years, endoscopic snare papillectomy has been performed to treat tumors of the ampulla of Vater. This procedure requires accurate preoperative evaluation. In this study, we diagnosed the focal extension of such tumors by using endoscopic ultrasonography (EUS) and intraductal ultrasonography (IDUS), and examined the indications for endoscopic snare papillectomy. MethodsThe subjects were 48 patients with a papillary tumor (13 patients, surgical resection; 35 patients, endoscopic snare papillectomy) who were evaluated preoperatively with EUS and IDUS. The tumor-node-metastasis classification was used for the endosonographic evaluation and pathological diagnosis of these tumors. ResultsThe diagnostic accuracy of EUS was 97% for diagnosing adenomas and pTis tumors, 73% for pT1 tumors, 50% for pT2 tumors, and 50% for pT3-4 tumors, for an overall accuracy of 85% for T-staging. The diagnostic accuracy of IDUS was 94% for adenomas and pTis tumors, 73% for pT1 tumors, 50% for pT2 tumors, and 100% for pT3-4 tumors, for an overall accuracy of 80% for T-staging. ConclusionsEUS and IDUS are highly capable of evaluating tumors of the ampulla of Vater preoperatively. However, these techniques are not sufficient for evaluating the focal extension of carcinomas preoperatively. Currently, endoscopic snare papillectomy is adequate for treating adenomas and pTis tumors.
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Citations
Citations to this article as recorded by - The Role of Endoscopic Ultrasound in Ampullary Lesion Management
Caterina Stornello, Chiara Cristofori, Davide Checchin, Maria Grazia de Palo, Sabina Grillo, Giulia Peserico, Dario Quintini, Mario Gruppo, Ottavia De Simoni, Alberto Fantin
Diagnostics.2024; 14(17): 1855. CrossRef - Clinical practice guidelines for endoscopic papillectomy
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Digestive Endoscopy.2022; 34(3): 394. CrossRef - Diagnostic accuracy of endoscopic ultrasound and intraductal ultrasonography for assessment of ampullary tumors: a meta-analysis
Xiaohua Ye, Lei Wang, Zhendong Jin
Scandinavian Journal of Gastroenterology.2022; 57(10): 1158. CrossRef - The Long-Term Outcomes of Endoscopic Papillectomy and Management of Cases of Incomplete Resection: A Single-Center Study
Shinichiro Muro, Hironari Kato, Akihiro Matsumi, Yuki Ishihara, Yosuke Saragai, Shuntaro Yabe, Saimon Takata, Daisuke Uchida, Takeshi Tomoda, Kazuyuki Matsumoto, Shigeru Horiguchi, Hiroyuki Okada
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Hiroki Kawashima, Eizaburo Ohno, Takuya Ishikawa, Tadashi Iida, Hiroyuki Tanaka, Kazuhiro Furukawa, Masanao Nakamura, Takashi Honda, Senju Hashimoto, Akihiro Itoh, Masatoshi Ishigami, Yoshiki Hirooka, Mitsuhiro Fujishiro
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