Primary Outcome Measures:
- Comparative histopathology-confirmed measures of Cellvizio endomicroscopy and ERCP accuracy in the differential diagnosis of suspicious lesions. [ Time Frame: 12-month diagnostic follow-up confirmation ] [ Designated as safety issue: Yes ]
Device: Probe-based confocal laser endomicroscopy
ERCP with or without cholangiopancreatoscopy will be performed by the endoscopist as clinically indicated. If findings at ERCP and/or prior imaging studies and/or clinical assessment suggest possible malignancy and/or an indeterminate biliary or pancreatic pathology Cellvizio probe-based endomicroscopy will be performed during ERCP.
- Cellvizio endomicroscopy
- Confocal Laser Scanning Microscopy
This is a registry study to collect high quality longitudinal data from patients with suspected or indeterminate pancreaticobiliary pathology who are undergoing an ERCP with Cellvizio probe-based endomicroscopy procedure, with or without supplemental direct cholangiopancreatoscopy. The hypothesis is that ERCP with Cellvizio probe-based endomicroscopy improves differentiation of biliary and pancreatic duct lesions versus ERCP alone.
Direct measures of accuracy (sensitivity, specificity, etc.) in the differentiation of malignant versus benign biliary and/or pancreatic duct lesions will be compared for the combination of endomicroscopy and ERCP imaging and ERCP alone. These presumptive diagnoses will be compared against a 12-month follow-up confirmed histopathologic endpoint (an initially-benign pathologic diagnosis will be confirmed by a 12-month follow-up). Secondary objectives include collecting various safety and technical performance parameters.