240
Participants
Start Date
November 1, 2018
Primary Completion Date
January 22, 2020
Study Completion Date
January 22, 2020
Cytology staining
"Two staining will be performed in cytology specimens obtained from same patient. The cytology specimen will be obtained through brushing cytology using endoscopic retrograde cholangiopancreatography~1. conventional cytology staining method~2. new cytology staining method using antibody of aminoacyl-tRNA synthetases"
CHA Bundang Medical Center, Seongnam
Gachon University Gil Medical Center, Incheon
In Ha University Hospital, Incheon
Soon Chun Hyang University Hospital, Cheonan, Cheonan
Pusan National University Hospital, Busan
Gangnam Severance Hospital, Seoul
Korea Institute of Science and Technology
OTHER
Gangnam Severance Hospital
OTHER