None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age > 18 and age < 80 2. Suspected cholangiocarcinoma based on clinical work up and image modality that required cytopathological confirmation
Exclusion criteria
Exclusion criteria: 1, Patients who have malignancy other than cholangiocarcinoma 2. Decompensated cardiopulmonary diseases 3. Coagulation disorders (international normalized ratio >1.5 or platelets <50,000/mm3) 4. Subjects who are currently receiving antithrombotic therapy but cannot be discontinued or postponed 5. Pregnant 6. Patients who cannot undergo endoscopy under conscious sedation due to underlying disease 7. Patients in whom endoscopy is not possible due to surgically altered anatomies or gastric outlet obtruction 8. Subjects who failed to obtain informed consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diagnostic yield of mutational analysis performed on specimens obtained under endoscopic tissue acquisition | — |
Secondary
| Measure | Time frame |
|---|---|
| diagnostic accuracy;the procurement rates of histologic tissues that the pathologist considered to be of optimal quality for NGS;safety | — |
Countries
Korea, Republic of
Contacts
Asan Medical Center