Visual assessment of biliary strictures in peroral cholangioscopy
https://doi.org/10.16931/1995-5464.2025-2-93-97
Abstract
Aim. To evaluate the diagnostic accuracy of visual assessment using the SpyGlass system in patients with biliary strictures of unknown origin.
Materials and methods. From January 2021 to December 2023, 33 transpapillary cholangioscopies were performed using the SpyGlass system. All patients had a history of obstructive jaundice and required visual assessment of changes in the bile ducts. The primary equipment used included the OLYMPUS EXERA III endoscopic video system and the TJF-Q180V video duodenoscope. The SpyGlass DS II system was used as an accessory device.
Results. Of the 33 patients, 16 (48.4%) were women and 17 (51.6%) were men. Patient age ranged from 45 to 71 years. The main indications for cholangioscopy were the need for targeted biopsy of biliary tract tumors and strictures of unknown origin. Strictures were classified as malignant based on the following visual criteria: irregular vessel dilation and vascular tortuosity (neovascularization), contact bleeding, and intraductal masses. The sensitivity and specificity of visual assessment using the SpyGlass system were 100% and 85.7%, respectively.
Conclusion. Peroral cholangioscopy demonstrates high sensitivity and specificity in the visual interpretation of indeterminate biliary lesions, which proves its utility in routine clinical practice.
About the Authors
M. Yu. Kurdanova
N.N. Blokhin National Medical Research Center of Oncology оf the Ministry of Health of the Russian Federation
Russian Federation
Russian Federation
Madina Y. Kurdanova – Endoscopist, Department of Endoscopy
23, Kashirskoe highway, Moscow, 115522
M. E. Timofeev
N.N. Blokhin National Medical Research Center of Oncology оf the Ministry of Health of the Russian Federation
Russian Federation
Russian Federation
Mikhail E. Timofeev – Doct. of Sci. (Med.), Endoscopist, Department of Endoscopy
23, Kashirskoe highway, Moscow, 115522
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For citations:
Kurdanova M.Yu., Timofeev M.E. Visual assessment of biliary strictures in peroral cholangioscopy. Annaly khirurgicheskoy gepatologii = Annals of HPB Surgery. 2025;30(2):93-97. (In Russ.) https://doi.org/10.16931/1995-5464.2025-2-93-97
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