None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Age = 18 years (2) Patients with benign or malignant biliary obstruction (3) Patients who will undergo ERCP with brush cytology
Exclusion criteria
Exclusion criteria: (1) Age < 18 years (2) Patients refused to participate (3) Patients who have contrast allergy (4) Patients who received pancreaticobiliary surgery (5) Pregnant women
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Grade of cellularity of stained slide | — |
Secondary
| Measure | Time frame |
|---|---|
| dry artifact;background of slide (clean, bloody, inflammatory, mucinous, necrotic);blood clot;contaminants (GI, intestinal, squamous, mesothelial) | — |
Countries
Korea, Republic of
Contacts
Bundang CHA General Hospital