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©2013 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Nov 16, 2013; 5(11): 540-550
Published online Nov 16, 2013. doi: 10.4253/wjge.v5.i11.540
Published online Nov 16, 2013. doi: 10.4253/wjge.v5.i11.540
Table 2 Comparison of various imaging modalities
Imaging modality | PTC | ERCP | MRCP | US/HFUS/EUS/IDUS | CT | OCT |
Projection/ tomograph | Projection | Projection | Projection or tomographic | Tomographic | Tomographic | Projection or tomographic |
Resolution | 1-2 mm | 1-2 mm | Fairly poor 3-5 mm | US/EUS 100-250 μmHFUS/IDUS 50-100 μm | 300-500 μmμCT: 3-125 μm | Fairly high1-10 μm |
Imaging depth | 1-5 mm | 5-60 mm | Entire biliary tree | US/EUS: 5-10 cmHFUS/IDUS: 1-3 cm | Entire biliary tree | 1-3 mm |
Tissue sampling | + + | + + + | - | US +EUS + + + | + | - |
Portability | - | + | - | US + + +EUS + + | - | + + |
Therapy | + + + | + + + | - | US -EUS + | - | + |
System cost | + + | + + + + | + + + | US - EUS + + | + + | + + |
Operator dependence | High | High | Low | Very high | Low | Low |
Staging of malignancy | - | - | + + | US +EUS + + + | + + + | - |
Safety | - | + | + + + | + + | + + | +++ |
Experiment duration | 2-4 h | 30-120 min | 10-30 min | 20-40 min | 15-30 s | 5-10 min |
Complications | + + +Risk (5%-10%) of Infection, bleeding and bile leaks | + +Risk (< 5%) Bleeding, perforationpancreatitis cholangitis | -Claustrophobia in some patients | +Risk (1%) of failure rate, bleeding and perforation | -Rare allergic reaction (< 1%) to iodinated agents | -No complication |
Comments pros | + Diagnosis and therapeutic (treatment) procedure | + Diagnosis and treatment procedure | Non-invasive+ No ionizing radiation+ Relatively operator -independent | Usually non-invasive (sedation)+ Diagnosis tool combined with tissue and/or lesion sampling | Non-invasive+ Faster method+ High resolution+ Operator-independent | Non-invasive+ No ionizing radiation+ High resolution+ Faster method+ Operator-independent |
Cons | Invasive ionizing radiationOperator- dependent | InvasiveIonizing radiationOperator dependent | Expensive-poor resolutionSolely diagnostic methodMotion sensitiveclaustrophobia | Operator dependentHighly motion sensitiveThermal effects and cavitations | Ionizing radiationSolely diagnostic method | Low imaging depth 3 mmMotion sensitive |
- Citation: Mahmud MS, May GR, Kamal MM, Khwaja AS, Sun C, Vitkin A, Yang VX. Imaging pancreatobiliary ductal system with optical coherence tomography: A review. World J Gastrointest Endosc 2013; 5(11): 540-550
- URL: https://www.wjgnet.com/1948-5190/full/v5/i11/540.htm
- DOI: https://dx.doi.org/10.4253/wjge.v5.i11.540