Research Article
Correlation between Ultrasonographic Appearance of Papillary Thyroid Microcarcinoma and BRAF V600E Mutation
Table 4
Correlation between the ultrasonographic appearance of PTMC and the BRAF V600E mutation.
| Factor | Number of cases | BRAF V600E mutation | value | Positive | Negative |
| Location | | | | | Marginal region or near isthmus | 68 | 38 | 30 | 0.972 | Central region | 32 | 18 | 14 | | Gender | | | | | Female | 82 | 47 | 35 | 0.571 | Male | 18 | 9 | 9 | | Age (years) | | | | | ≥45 | 55 | 34 | 21 | 0.195 | <45 | 45 | 22 | 23 | | Border echo | | | | | Unclear | 70 | 49 | 21 | <0.001 | Clear | 30 | 7 | 23 | | Internal echo | | | | | Hypoechoic | 89 | 48 | 41 | 0.236 | Hyperechoic | 11 | 8 | 3 | | Morphology | | | | | Irregular | 75 | 35 | 40 | 0.001 | Regular | 25 | 21 | 4 | | Microcalcification | | | | | Yes | 83 | 45 | 38 | 0.427 | No | 17 | 11 | 6 | | Aspect ratio | | | | | >1 | 36 | 30 | 6 | 0.001 | <1 | 64 | 26 | 38 | | Attenuation | | | | | Yes | 14 | 11 | 3 | 0.067 | No | 86 | 45 | 41 | | Cystic change | | | | | No | 92 | 49 | 43 | | Yes | 8 | 7 | 1 | 0.061 | Blood flow | | | | | Central | 37 | 18 | 19 | 0.256 | Marginal | 63 | 38 | 25 | | Elasticity modulus value | | | | | >63 kPa | 58 | 37 | 21 | 0.065 | <63 kPa | 42 | 19 | 23 | |
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: statistically different; : not statistically different. |