Table 2 Microflow features of thyroid nodules between the malignant and benign groups
From: Ultrasound microflow patterns help in distinguishing malignant from benign thyroid nodules
Malignant Group (%) (n = 125) | Benign Group (%) (n = 123) | P-value | |
|---|---|---|---|
Microflow morphology | |||
Dot-like | 13 (10.4) | 13 (10.6) | 0.965 |
Linear | 21 (16.8) | 75 (61.0) | < 0.001 |
Tortuous | 91 (72.8) | 35 (28.5) | < 0.001 |
Microflow size | |||
Dot-like | 13 (10.4) | 13 (10.6) | 0.965 |
Tiny | 75 (60.0) | 57 (46.3) | 0.031 |
Bulky | 37 (29.6) | 53 (43.1) | 0.027 |
Microflow distribution | |||
Peripheral | 44 (35.2) | 34 (27.6) | 0.200 |
Mainly peripheral | 53 (42.4) | 49 (39.8) | 0.682 |
Mainly central | 10 (8.0) | 14 (11.4) | 0.368 |
Mixed | 18 (14.4) | 26 (21.1) | 0.165 |
Microflow pattern | |||
Crab claw-like pattern | 80 (64.0) | 13 (10.6) | < 0.001 |
Root hair-like pattern | 10 (8.0) | 3 (2.4) | 0.049 |
Wheel-like sign | 2 (1.6) | 41 (33.3) | < 0.001 |
Arborescent sign | 0 (0.0) | 24 (19.5) | < 0.001 |
Scattered-dot pattern | 13 (10.4) | 13 (10.6) | 0.965 |
Circumferential pattern | 3 (2.4) | 19 (15.4) | < 0.001 |
Single penetrating vessel pattern | 11 (8.8) | 3 (2.4) | 0.030 |