55
Participants
Start Date
February 4, 2021
Primary Completion Date
February 3, 2023
Study Completion Date
February 3, 2023
Cytology staining
"Two stainings will be performed in cytology specimens obtained from the 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 the antibody of aminoacyl-tRNA synthetases"
CHA Bundang Medical Center, Seongnam
In Ha University Hospital, Incheon
Soon Chun Hyang University Hospital, Cheonan, Cheonan
Pusan National University Hospital, Busan
Gangnam Severance Hospital, Seoul
Gangnam Severance Hospital
OTHER