Table 2.
Lesion characteristics.
| FNA (n = 51) | FNB (n = 43) | p | |
|---|---|---|---|
| Location of lesion in pancreas, n (%) | 0.275 | ||
| Head | 27 (52.9) | 31 (72.1) | |
| Uncinate | 5 (9.8) | 2 (4.7) | |
| Genu | 3 (5.9) | 3 (7.0) | |
| Body | 8 (15.7) | 5 (11.6) | |
| Tail | 8 (15.7) | 2 (4.7) | |
| Lesion size (largest dimension, mm) | 0.787 | ||
| Missing, n (%) | 1 (2.0) | 5 (11.6) | |
| Median (IQR) | 26.0 (18.0, 34.0) | 26.0 (18.0, 36.0) | |
| Mean (SD) | 26.8 (12.8) | 27.4 (11.5) | |
| Range | (5.0, 70.0) | (9.0, 55.0) | |
| Cytologic/histologic diagnosis | 0.468 | ||
| Nondiagnostic | 2 (3.9) | 0 (0.0) | |
| Benign | 3 (5.9) | 5 (11.6) | |
| Atypical | 2 (3.9) | 4 (9.3) | |
| Suspicious | 5 (9.8) | 5 (11.6) | |
| Malignant | 39 (76.5) | 29 (67.4) | |
| Final diagnosis | 0.018 | ||
| Pancreatic adenocarcinoma | 37 (72.5) | 31 (72.1) | |
| Neuroendocrine tumour | 12 (23.5) | 4 (9.3) | |
| Inflammatory | 0 (0.0) | 4 (9.3) | |
| Lymphoma | 0 (0.0) | 1 (2.3) | |
| Benign/normal | 2 (3.9) | 1 (2.3) | |
| Other | 0 (0.0) | 2 (4.7) |
FNA = fine needle aspiration; FNB = fine needle biopsy; IQR = interquartile range; SD = standard deviation.