Table 5 MRI features of papillomas manifesting as NME lesions
Variables | Group A (n = 24) | Group B (n = 13) | P value |
|---|---|---|---|
Size (mm) | 20.9 (11.8–29.0) | 27.3 (14.0–45.8) | 0.294 |
Distribution | 0.006 | ||
Focal or linear | 21 (87.5%) | 5 (38.5%) | |
Segmental or regional | 3 (12.5%) | 8 (61.5%) | |
Duct dilation | 14 (58.3%) | 11 (84.6%) | 0.149 |
TIC | 0.270 | ||
Persistent | 16 (66.7%) | 6 (46.2%) | |
Plateau | 6 (25.0%) | 3 (23.1%) | |
Washout | 2 (8.3%) | 4 (30.8%) | |
ADC value (×10−3 mm/s2)* | 1.32 ± 0.29 | 1.32 ± 0.23 | 1.000 |