Table 4.
Comparison of each US feature of 1399 thyroid nodules excluding thyroid nodules with cytologic results of lymphocytic thyroiditis according to underlying echogenicity
| |
Total |
Malignant |
Benign |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Heterogeneous echogenicity | Homogeneous echogenicity | P -value | Heterogeneous echogenicity | Homogeneous echogenicity | P -value | Heterogeneous echogenicity | Homogeneous echogenicity | P -value | |
| Total number |
280 |
1119 |
|
68 |
257 |
|
212 |
862 |
|
| Echogenicity |
|
|
0.209 |
|
|
0.174 |
|
|
0.366 |
| Hyper/isoechogenicity |
114 (40.7) |
520 (46.5) |
|
3 (4.4) |
28 (10.9) |
|
111 (52.4) |
492 (57.1) |
|
| Hypoechogenicity |
152 (54.3) |
543 (48.5) |
|
56 (82.4) |
186 (72.4) |
|
96 (45.3) |
357 (41.4) |
|
| Marked hypoechogenicity |
14 (5.0) |
56 (5.0) |
|
9 (13.2) |
43 (16.7) |
|
5 (2.4) |
13 (1.5) |
|
| Margin |
|
|
0.012 |
|
|
0.314 |
|
|
0.007 |
| Well circumscribed |
182 (65.0) |
813 (72.7) |
|
12 (17.6) |
60 (23.3) |
|
170 (80.2) |
753 (87.4) |
|
| microlobulated or irregular |
98 (35.0) |
306 (27.3) |
|
56 (82.4) |
197 (76.7) |
|
42 (19.8) |
109 (12.6) |
|
| Calcifications |
|
|
0.728 |
|
|
0.986 |
|
|
0.613 |
| Microcalcifications |
40 (14.3) |
140 (12.5) |
|
29 (42.7) |
108 (42.0) |
|
11 (5.2) |
32 (3.7) |
|
| Macrocalcifications |
37 (13.2) |
149 (13.3) |
|
9 (13.2) |
36 (14.0) |
|
28 (13.2) |
113 (13.1) |
|
| No calcifications |
203 (72.5) |
830 (74.2) |
|
30 (44.1) |
113 (44.0) |
|
173 (81.6) |
717 (83.2) |
|
| Shape |
|
|
0.306 |
|
|
0.790 |
|
|
0.124 |
| Wider than tall |
217 (77.5) |
898 (80.3) |
|
29 (42.6) |
105 (40.9) |
|
188 (88.7) |
793 (92.0) |
|
| Taller than wide | 63 (22.5) | 221 (19.7) | 39 (57.4) | 152 (59.1) | 24 (11.3) | 69 (8.0) | |||