Bile duct tissue acquisition by cholangioscopy-guided cryobiopsy technique: first-in-human application

Jan Peveling-Oberhag, Corinna Zimmermann, Walter Linzenbold, German Ott, Markus Enderle, Jörg G Albert, Jan Peveling-Oberhag, Corinna Zimmermann, Walter Linzenbold, German Ott, Markus Enderle, Jörg G Albert

Abstract

Video 1Case description and video in cholangioscopic view demonstrating bile duct tissue acquisition by cholangioscopy-guided cryobiopsy technique.

Copyright © 2023 American Society for Gastrointestinal Endoscopy.

Figures

Figure 1
Figure 1
A, Cryo device with cart. B, Cryo device and instrument setting (effect 1, probe length 1150 mm). C, Cryoprobe tip (diameter 1.1 mm).
Figure 2
Figure 2
A, Stricture of the left hepatic bile duct (arrow) and placement of percutaneous transhepatic biliary drainage. B, CT scan depicting the stricture (arrow) and prestenotic bile duct dilatation. C, Positioning of the cryobiopsy probe next to the biliary stricture (cholangioscopic view). D, Activation of the cryoprobe with ice formation providing attachment to the bile duct to obtain tissue by consecutive pulling of the probe (cholangioscopic view).
Figure 3
Figure 3
A, Cholangioscopy-guided forceps biopsy specimen (SpyBite Max, Boston Scientific, Marlborough, Mass, USA; H&E, orig. mag. ×200). B, Cholangioscopy-guided cryobiopsy specimen (cryobiopsy probe, ERBE Elektromedizin GmbH, Tuebingen, Germany; H&E, orig. mag. ×200). C, Cholangioscopy-guided cryobiopsy specimen. Detailed view of cuboidal epithelium of the left hepatic bile duct (H&E, orig. mag. ×400).

References

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Source: PubMed

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