Table 4 Neck ultrasound (NUS) features in sarcoidosis versus non-sarcoidosis groups
From: Application of neck ultrasound in the diagnosis of sarcoidosis
Category | Sarcoidosis group | Control subjects | p value4 | ||||||
|---|---|---|---|---|---|---|---|---|---|
Tuberculosis Group | p value1 | Malignancy Group | p value2 | Inflammatory Group | p value3 | Total | |||
Symmetry | |||||||||
 Bilateral | 18 (90.0%) | 5 (21.7%) |  < 0.001 | 10 (45.5%) | 0.002 | 10 (43.5%) | 0.001 | 25 (36.8%) |  < 0.001 |
 Unilateral | 2 (10.0%) | 18 (78.3%) |  | 12 (54.5%) |  | 13 (56.5%) |  | 43 (63.2%) |  |
Number | |||||||||
 1 | 0 (0) | 0 (0) | – | 1 (4.5%) | 1.000 | 5 (21.7%) | 0.082 | 6 (8.8%) | 0.383 |
 > 1 | 20 (100%) | 23 (100%) |  | 21 (95.5%) |  | 18 (78.3%) |  | 62 (91.2%) |  |
Longitudinal meridian(mm) | |||||||||
 ≥ 10 | 12 (60.0%) | 19 (82.6%) | 0.099 | 19 (86.4%) | 0.052 | 3 (13.0%) | 0.001 | 41 (60.3%) | 0.981 |
 < 10 | 8 (40.0%) | 4 (17.4%) |  | 3 (13.6%) |  | 20 (87.0%) |  | 27 (39.7%) |  |
Aspect ratio | |||||||||
 < 2 | 14 (70.0%) | 19 (82.6%) | 0.539 | 20 (90.9%) | 0.361 | 13 (56.5%) | 0.362 | 52 (76.5%) | 0.557 |
 ≥ 2 | 6 (30.0%) | 4 (17.4%) |  | 2 (9.1%) |  | 10 (43.5%) |  | 16 (23.5%) |  |
Lymphatic hilum | |||||||||
 Presence | 0 (0) | 1 (4.3%) | 1.000 | 0 (0) | – | 16 (69.6%) |  < 0.001 | 17 (25.0%) | 0.030 |
 Absence | 20 (100%) | 22 (95.7%) |  | 22 (100%) |  | 7 (30.4%) |  | 51 (75.0%) |  |
Echo | |||||||||
 Hyperechoic | 0 (0) | 1 (4.3%) | 1.000 | 0 (0) | – | 0 (0) | – | 1 (1.5%) | 0.513 |
 Hypoechoic | 20 (100%) | 22 (95.7%) |  | 22 (100%) |  | 23 (100%) |  | 67 (98.5%) |  |
Homogeneity | |||||||||
 Uniform | 15 (75.0%) | 3 (13.0%) |  < 0.001 | 12 (54.5%) | 0.167 | 15 (65.2%) | 0.486 | 30 (44.1%) | 0.015 |
 Non-uniform | 5 (25.0%) | 20 (87.0%) |  | 10 (45.5%) |  | 8 (34.8%) |  | 38 (55.9%) |  |
Border | |||||||||
 Clear | 20 (100%) | 13 (56.5%) | 0.003 | 21 (95.5%) | 1.000 | 23 (100%) | – | 57 (83.8%) | 0.124 |
 Unclear | 0 (0) | 10 (43.5%) |  | 1 (4.5%) |  | 0 (0) |  | 11 (16.2%) |  |
Calcification | |||||||||
 Presence | 0 (0) | 4 (17.4%) | 0.152 | 0 (0) | – | 0 (0) | – | 4 (5.9%) | 0.617 |
 Absence | 20 (100%) | 19 (82.6%) |  | 22 (100%) |  | 23 (100%) |  | 64 (94.1%) |  |
Fusion | |||||||||
 Presence | 0 (0) | 9 (39.1%) | 0.006 | 0 (0) | – | 0 (0) | – | 9 (13.2%) | 0.194 |
 Absence | 20 (100%) | 14 (60.9%) |  | 22 (100%) |  | 23 (100%) |  | 59 (86.8%) |  |
CDFI pattern | |||||||||
 Portal | 3 (15.0%) | 2 (8.7%) | 0.027 | 0 (0) | 0.001 | 17 (73.9%) |  < 0.001 | 19 (27.9%) |  < 0.001 |
 Dendritic | 9 (45.0%) | 2 (8.7%) |  | 1 (4.5%) |  | 0 (0) |  | 3 (4.4%) |  |
 Annular | 1 (5.0%) | 4 (17.4%) |  | 0 (0) |  | 0 (0) |  | 4 (5.9%) |  |
 Other | 7 (35.0%) | 15 (65.2%) |  | 21 (95.5%) |  | 6 (26.1%) |  | 42 (61.8%) |  |
Elasticity score | |||||||||
 ≥ 3 | 16 (80.0%) | 14 (60.9%) | 0.173 | 16 (72.7%) | 0.849 | 6 (26.1%) |  < 0.001 | 36 (52.9%) | 0.030 |
 < 3 | 4 (20.0%) | 9 (39.1%) |  | 6 (27.3%) |  | 17 (73.9%) |  | 32 (47.1%) |  |