None listed
Conditions
Interventions
Drug : 1. Heparin wet suction technique (HWST)
Prepare the 22G needle in the following order before connecting it to the endoscopic channel. Remove the stylelet first, as shown in the picture below,
Sponsors
Seoul National University Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Men and women aged 20 or older who voluntarily obtained consent (In the case of elderly subjects, read and sign the signed consent form after fully explaining the research content verbally before reading the written consent form, and if possible, listen to the explanation together.) 2. Patients who agree to the clinical trial 3. Pancreatic solid mass 4. Size of lesion: =1 cm in long diameter
Exclusion criteria
Exclusion criteria: 1. Pregnant women 2. Blood clotting disorder (PLT1.5 sec) 3. Patients who have difficulty performing ultrasound endoscopy due to cardiopulmonary dysfunction 4. Cystic main lesion 5. Patients who disagree with the clinical study 6. Patients who cannot access biopsy under ultrasound endoscopy (e.g., anatomical deformation due to intervening blood vessels, gastrectomy, etc.) 7. Patients under 20 years of age
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diagnostic yield : Defined as the percentage of lesions sampled in which a tissue diagnosis was obtained. | — |
Secondary
| Measure | Time frame |
|---|---|
| Available immunohistochemical staining;Technical success ;Occurrence of adverse events;Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), positive likelihood ratio (+LR), negative likelihood ratio (-LR), and accuracy | — |
Countries
Korea, Republic of
Contacts
Public ContactSANG HYUB LEE
Seoul National University Hospital
Outcome results
None listed