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©2014 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Jan 16, 2014; 6(1): 1-5
Published online Jan 16, 2014. doi: 10.4253/wjge.v6.i1.1
Published online Jan 16, 2014. doi: 10.4253/wjge.v6.i1.1
Table 1 Comparison of direct and dedicated cholangioscopy
| Direct cholangioscopy | Dedicated high-definition cholangioscopy | |
| Commercial availability of the endoscope | Yes | No (prototypes) |
| Operating expense | Low | High |
| Image quality | Excellent | Excellent |
| Narrow band imaging capability | Yes | Yes |
| Required number of operators | One | Two |
| Irrigation capability | Yes | Limited |
| Suctioning capability | Yes | Limited |
| Fragility | No | Yes |
| Size of accessory channel | 2 mm | 1.2 mm |
| Insertion into the bile duct | Difficult | Easy |
| Stability inside the bile duct | Unstable | Stable |
| Access to proximal ducts | No | Yes |
- Citation: Parsi MA. Direct peroral cholangioscopy. World J Gastrointest Endosc 2014; 6(1): 1-5
- URL: https://www.wjgnet.com/1948-5190/full/v6/i1/1.htm
- DOI: https://dx.doi.org/10.4253/wjge.v6.i1.1