Imaging characteristics of 28 patients with LEC of the salivary gland
| Characteristics | No. of Patients/Values |
|---|---|
| Tumor location | |
| Parotid | 18 (64.3%) |
| Submandibular gland | 8 (28.5%) |
| Palate | 1 (3.6%) |
| Sublingual gland | 1 (3.6%) |
| Tumor size (cm) | 1.6∼7 (3.5) |
| Tumor margin | |
| Partially defined | 13 (46.4%) |
| Well-defined | 5 (17.9%) |
| Ill-defined | 10 (35.7%) |
| Morphologic patterns | |
| Type 1 | 5 (17.9%) |
| Type 2 | 16 (57.1%) |
| Type 3 | 7 (25.0%) |
| Inner nature | |
| Necrosis | 4 (14.3%) |
| Calcification | 0 (0%) |
| Density on unenhanced CT (n = 23) | |
| Slightly hypodense | 19 (82.6%) |
| Isodensity | 4 (17.4%) |
| Enhancement degree on CT (n = 23) | |
| Poor | 6 (26.1%) |
| Moderate | 14 (56.5%) |
| Intense | 3 (17.4%) |
| Signal intensity on MR imaging (n = 6) | |
| T1WI | |
| Hyperintense | 1 (16.7%) |
| Isointense | 5 (83.3%) |
| T2WI | |
| Hypointense | 4 (66.7%) |
| Hyperintense | 2 (33.3%) |
| Enhancement degree on MR imaging (n = 6) | |
| Poor | 1 (16.7%) |
| Moderate | 4 (66.6%) |
| Intense | 1 (16.7%) |
| Inner nature after contrast enhancement | |
| Homogeneous | 16 (57.1%) |
| Heterogeneous | 12 (42.9%) |
| Adjacent structure invasion | 5 (17.9%) |
| Bone destroyed | 2 (7.1%) |
| Pathologic lymph nodes | 17 (60.7%) |