Peroral Cholangioscopy Using a New Thinner Videoscope (Chf‐b260)

Igarashi, Yoshinori; Okano, Naoki; Satou, Daisuke; Miura, Tomihiro

doi:10.1111/j.1443-1661.2005.00527.x

Cited by 26 publications

(33 citation statements)

References 4 publications

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“…However, it was difficult to insert the scope into the bile duct because of the relatively large scope diameter (4.5 mm). The CHF‐B260 (Olympus Medical Systems, Tokyo, Japan), however, has a smaller diameter (3.5 mm) for more versatile clinical application 4 . As a result, we are now able to easily obtain clear images of the bile duct.…”

Section: Discussionmentioning

confidence: 99%

Endoscopic Observation of Mucosal Spread Lesion of Cholangiocarcinoma Using Peroral Cholangioscopy With Narrow Band Imaging

Igarashi

Okano

Ito

et al. 2007

Digestive Endoscopy

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A 69-year-old man was admitted to Toho University Omori Medical Center complaining of icterus. Abdominal computed tomography, magnetic resonance cholangiopancreatography and endoscopic retrograde cholangiopancreatography were suspicious of cholangioma of inferior bile duct. Peroral cholangioscopy using narrow band imaging (NBI) was performed and it was possible to diagnose the mucosal spread lesions of cholangioma. Histological findings reflected the endoscopic findings. Mucosal spread lesions of cholangiocarcinoma were successfully diagnosed using the CHF-B260 for NBI.

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Section: Discussionmentioning

confidence: 99%

Endoscopic Observation of Mucosal Spread Lesion of Cholangiocarcinoma Using Peroral Cholangioscopy With Narrow Band Imaging

Igarashi

Okano

Ito

et al. 2007

Digestive Endoscopy

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“…Direct cholangioscopy with the narrow band imaging system has been developed for high-contrast observation of mucosal structures and vascular patterns of biliary tumors [7,8]. …”

Section: Diagnostic Imaging and Tissue Samplingmentioning

confidence: 99%

Update in Biliary Endoscopy

Costamagna¹,

Boškoski²,

Familiari³

et al. 2011

Dig Dis

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Biliary endoscopy has seen the development of several new techniques in the last few years. Its current role includes direct diagnostic imaging, tissue sampling, early diagnosis and palliation of biliary tumors. Relatively new methods for biliary stones management are electrohydraulic lithotripsy combined with choledochoscope guidance and laser lithotripsy. Intraductal ultrasound, confocal laser endomicroscopy and optical coherence tomography are emerging, purely diagnostic endoscopic tools in biliary endoscopy. Cytological examinations such as digital imaging analysis and fluorescence in situ hybridization have the potential of becoming very important in the early diagnosis of biliary tumors. Direct visualization of the biliary mucosa and tissue sampling can be done with the last generation of cholangioscopes. All these tools are promising, especially for the ‘undetermined biliary strictures’. Improvements in quality of life, survival and biliary drainage in patients with non-operable cholangiocarcinoma have been reported after the application of both photodynamic therapy and high-dose rate intraluminal brachytherapy. Drug-eluting stents with incorporated anti-tumor agents designed to improve patency and reduce the risk of tumor ingrowth have already been tested, and other stents are under investigation as well.

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“…A video cholangioendoscope (CHF‐B260, depth of field 3–20 mm, Olympus Medical Systems, Tokyo, Japan) with an outer diameter of 3.4 mm and an accessory channel diameter of 1.2 mm 12 (Table 1), is advanced through the 4.2 mm accessory channel of a conventional therapeutic duodenoscope (TJF 200 series, Olympus) into the bile duct, what is known as a mother–baby endoscopic system (Fig. 1).…”

Section: Development Of New Endoscopic Instrument: Video Cholangioscomentioning

confidence: 99%

What's New in Cholangioscopy? Is Narrow Band Imaging Cholangioscopy the Next Generation?

Itoi

Sofuni

Itokawa

et al. 2007

Digestive Endoscopy

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Narrow band imaging (NBI) makes it possible to emphasize the imaging of certain features such as mucosal structures and mucosal microvessels in gastrointestinal tract diseases. Recently, video peroral cholangioscopy (POCS) has been developed as diagnostic endoscopy for better observation of bile duct lesions, but there is no report on POCS using NBI. Herein is described the efficacy of POCS using NBI for the observation of both fine mucosal structures and tumor vessels, resulting in correct target biopsy in patients with biliary tract diseases.

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Peroral Cholangioscopy Using a New Thinner Videoscope (Chf‐b260)

Cited by 26 publications

References 4 publications

Endoscopic Observation of Mucosal Spread Lesion of Cholangiocarcinoma Using Peroral Cholangioscopy With Narrow Band Imaging

Endoscopic Observation of Mucosal Spread Lesion of Cholangiocarcinoma Using Peroral Cholangioscopy With Narrow Band Imaging

Update in Biliary Endoscopy

What's New in Cholangioscopy? Is Narrow Band Imaging Cholangioscopy the Next Generation?

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