Table 2.
SWE mapping patterns and patient characteristics.
| Characteristics | Mapping Pattern | ||
|---|---|---|---|
| A | B | C | |
| Number (case) | 3 | 24 | 25 |
| PDAC/TFP/ NET | 0/3/0 | 11/12/1 | 25/0/0 |
| Age (year) | 64.7 ± 10.7 | 65.0 ± 11.3 | 69.2 ± 12.1 |
| (53–74) | (44–87) | (35–85) | |
| BMI (kg/m2) | 21.9 ± 5.59 | 22.9 ± 3.65 | 20.8 ± 3.04 |
| (17.0–28.0) | (17.0–31.1) | (15.5–28.5) | |
| Smoking, n (%) | 1 (33.3) | 9 (37.5) | 14 (56.0) |
| Alcohol, n (%) | 0 | 4 (16.7) | 3 (12.0) |
| Pancreatic lesion | |||
| Size (mm) | 20.4 ± 7.88 | 26.2 ± 6.95 | 32.5 ± 14.0 |
| (14.0–29.9) | (15.0–40.0) | (13.0–69.0) | |
| Location (head), n (%) | 1 (33.3) | 13 (54.2) | 8 (32.0) |
| SWE (kPa) | 10.6 | 22.1 | 27.1 |
| IQR | (7.3–11.3) | (13.0–56.2) | (13.0–148.3) |
| SD (kPa) | 4.94 | 17.6 | 27.1 |
| IQR | (3.6–5.7) | (9.5–27.7) | (13.0–48.3) |
| SWE tumor/non-tumor ratio | 1.21 | 1.97 | 3.37 |
| IQR | (1.07–1.60) | (1.43–4.07) | (2.47–5.46) |
SWE, shear wave elastography; PDAC, pancreatic ductal adenocarcinoma; TFP, tumor-forming pancreatitis; NET, neuroendocrine tumor; BMI, body mass index; SD, standard deviation.