Table 1 Routine Ultrasound Characteristics of Normal PTGs
Echo | Shape | Relative Location to Thyroid Capsule | CDFI | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Hyperechogenicity | Isoechogenicity | Oval shape | Round-like shape | Teardrop shape | Irregular shape | Outside the capsule | Part of the capsule | Inside the capsule | Grade 0 | Grade I | Grade II | Grade III | |
Number | 823 | 215 | 915 | 74 | 23 | 26 | 1009 | 16 | 13 | 512 | 388 | 104 | 34 |
Proportion(%) | 79.29 | 20.71 | 88.15 | 7.13 | 2.22 | 2.50 | 97.21 | 1.54 | 1.25 | 49.33 | 37.38 | 10 | 3.28 |