- Usefulness of Intraductal Ultrasonography in the Diagnosis of Cholangiocarcinoma and IgG4-Related Sclerosing Cholangitis
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Nakazawa T, Naitoh I, Hayashi K
- KMID: 2134535
- Clin Endosc.
- 2012 Sep;45(3):331-336.
The technique of intraductal ultrasonography (IDUS) of the bile duct with a thin-caliber probe and a ropeway system has provided excellent images of the bile duct and periductal structures and... -
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- Classification and Diagnostic Criteria for IgG4-Related Sclerosing Cholangitis
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Naitoh I, Nakazawa T
- KMID: 2524759
- Gut Liver.
- 2022 Jan;16(1):28-36.
- doi: 10.5009/gnl210116
IgG4-related sclerosing cholangitis (IgG4-SC) can be classified into four types based on cholangiographic findings and regions of biliary stricture. This cholangiographic classification is useful to differentiate IgG4-SC from mimickers including... -
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- Endoscopic Approach via the Minor Papilla for the Treatment of Pancreatic Stones
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Nakazawa T, Hayashi K, Naitoh I, Okumura F, Joh T
- KMID: 2134504
- Clin Endosc.
- 2012 Sep;45(3):189-193.
BACKGROUND/AIMS: We aimed to evaluate whether the advanced techniques have influenced the minor papilla approach. METHODS: We studied the success rate of guide wire insertion by using ordinary techniques and advanced... -
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- Practical Experiences of Unsuccessful Hemostasis with Covered Self-Expandable Metal Stent Placement for Post-Endoscopic Sphincterotomy Bleeding
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Yoshida M, Inoue T, Naitoh I, Hayashi K, Hori Y, Natsume M, Atsuta N, Kataoka H
- KMID: 2525063
- Clin Endosc.
- 2022 Jan;55(1):150-155.
- doi: 10.5946/ce.2020.217
We reviewed 7 patients with unsuccessful endoscopic hemostasis using covered self-expandable metal stent (CSEMS) placement for post-endoscopic sphincterotomy (ES) bleeding. ES with a medium incision was performed in 6 and... -
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- Optimal endoscopic drainage strategy for unresectable malignant hilar biliary obstruction
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Naitoh I, Inoue T
- KMID: 2540728
- Clin Endosc.
- 2023 Mar;56(2):135-142.
- doi: 10.5946/ce.2022.150
Endoscopic biliary drainage strategies for managing unresectable malignant hilar biliary obstruction differ in terms of stent type, drainage area, and deployment method. However, the optimal endoscopic drainage strategy remains unclear.... -
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- Which is better for unresectable malignant hilar biliary obstruction: Side-by-side versus stent-in-stent?
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Naitoh I, Inoue T, Hayashi K
- KMID: 2435046
- Gastrointest Interv.
- 2018 Jul;7(2):78-84.
- doi: 10.18528/gii180014
Biliary drainage is required for the management of unresectable malignant hilar biliary obstruction (UMHBO), and endoscopic transpapillary drainage is the first-line therapy because it is less invasive. Self-expandable metallic stents... -
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- Four-Step Classification of Endoscopic Transpapillary Gallbladder Drainage and the Practical Efficacy of Cholangioscopic Assistance
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Yoshida M, Naitoh I, Hayashi K, Jinno N, Hori Y, Natsume M, Kato A, Kachi K, Asano G, Atsuta N, Sahashi H, Kataoka H
- KMID: 2515852
- Gut Liver.
- 2021 May;15(3):476-485.
- doi: 10.5009/gnl20238
Background/Aims: Although endoscopic transpapillary gallbladder drainage (ETGBD) has been reported as an alternative procedure for acute cholecystitis, it requires advanced endoscopic techniques. In terms of the certainty of achieving drainage,... -
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