pISSN 2636-0004eISSN 2636-0012
pISSN 2636-0004Baseline Clinical-Epidemiologic Characteristics of Enrolled Patients and Diagnostic Yield of EUS-FNA Procedure for the Mass Lesion in the Pancreatic Head
| Characteristic | Value ( |
|
|---|---|---|
| Age (yr) | 66.7 ± 11.1 | |
| Male sex | 42 (53.8) | |
| Tumor size (mm) | 34.7 ± 10.6 | |
| Puncture site (stomach : duodenum) | 16 (20.5) : 62 (79.5) | |
| Scope position (short : long) | 16 (20.5) : 62 (79.5) | |
| Distance between the mass and scope (< 1 cm : ≥ 1 cm) | 52 (66.7) : 26 (33.3) | |
| Correlation between scope position and mass-scope distance | < 0.01 | |
| Short (< 1 cm : ≥ 1 cm) | 1 (1.3) : 15 (19.2) | |
| Long (< 1 cm : ≥ 1 cm) | 51 (65.4) : 11 (14.1) | |
| Median number of needle passes | 5 (3–9) | |
| FNA needle used (22G : 25G) | 29 (37.2) : 49 (62.8) | |
| Adopted FNA needle according to the scope position | 0.09 | |
| Short scope position (22G : 25G) ( |
9 (56.3) : 7 (43.8) | |
| Long scope position (22G : 25G) ( |
20 (32.3) : 42 (67.7) | |
| Confirm methods for final diagnosis | ||
| Surgical pathology | 20 (25.6) | |
| EUS-FNA with compatible follow-up results | 48 (61.5) | |
| Clinical follow-up more than 12 months | 10 (12.8) | |
| Final diagnosis | ||
| Malignancy | ||
| Ductal adenocarcinoma | 57 (73.1) | |
| Malignant IPMN | 5 (6.4) | |
| Neuroendocrine carcinoma | 3 (3.8) | |
| Squamous cell carcinoma | 1 (1.3) | |
| Poorly differentiated carcinoma | 2 (2.6) | |
| Sarcoma | 1 (1.3) | |
| Benign | ||
| Autoimmune pancreatitis | 3 (3.8) | |
| Focal pancreatitis | 6 (7.7) | |
| Diagnostic yield of per EUS-FNA procedure | ||
| Sensitivity | 61/69 (88.4) | |
| Specificity | 9/9 (100) | |
| Positive predictive value | 61/61 (100) | |
| Negative predictive value | 9/17 (52.9) | |
| Accuracy | 70/78 (89.7) |