- Patient demographics and ultrasound-based morphologic features of thyroid nodules (N=50).
| Variable | Distribution |
|---|---|
| Gender | |
| Male | 8 (16.0) |
| Female | 42 (84.0) |
| Age (years) | 46.26±2.08 |
| Pathology | |
| Benign | 31 (62.0) |
| Malignant | 19 (38.0) |
| Biopsy method | |
| US-guided | 24 (48.0) |
| Non-US-guided | 26 (52.0) |
| Composition | |
| Mixed cystic and solid | 15 (30.0) |
| Solid | 35 (70.0) |
| Echogenicity | |
| Hyperechoic or isoechoic | 23 (46.0) |
| Hypoechoic | 27 (54.0) |
| Shape | |
| Wider-than-tall | 50 (100) |
| Margin | |
| Ill-defined | 3 (6.0) |
| Smooth | 47 (94.0) |
| Echogenic foci | |
| Punctate echogenic foci | 6 (12.0) |
| Macrocalcifications | 4 (8.0) |
| None | 40 (80.0) |
| Thyroid Imaging Reporting and Data System | |
| TR2 | 6 (12.0) |
| TR3 | 23 (46.0) |
| TR4 | 17 (34.0) |
| TR5 | 4 (8.0) |
Distribution reported as frequency (%), except for age, which is reported as mean±standard error of the mean. US: ultrasound