Research Article
Correlation between Ultrasonographic Appearance of Papillary Thyroid Microcarcinoma and BRAF V600E Mutation
Table 2
Correlation between the ultrasonographic appearances of PTMC and nodular thyroid goiter.
| Factor | Number of cases | Pathological expression | value | PTMC positive | PTMC negative |
| Location | | | | | Marginal region or near isthmus | 131 | 69 | 62 | 0.194 | Central region | 49 | 31 | 18 | | Gender | | | | | Female | 140 | 82 | 58 | 0.128 | Male | 40 | 18 | 22 | | Age (years) | | | | | ≥45 | 97 | 51 | 46 | 0.385 | <45 | 83 | 49 | 34 | | Border echo | | | | | Unclear | 96 | 68 | 28 | <0.001 | Clear | 84 | 32 | 52 | | Internal echo | | | | | Hypoechoic | 152 | 92 | 60 | 0.002 | Hyperechoic | 28 | 8 | 20 | | Morphology | | | | | Irregular | 112 | 80 | 32 | <0.001 | Regular | 68 | 20 | 48 | | Microcalcification | | | | | Yes | 136 | 84 | 52 | 0.003 | No | 44 | 16 | 28 | | Aspect ratio | | | | | >1 | 56 | 36 | 20 | 0.113 | <1 | 124 | 64 | 60 | | Attenuation | | | | | Yes | 36 | 12 | 24 | 0.003 | No | 144 | 88 | 56 | | Cystic change | | | | | No | 152 | 96 | 56 | <0.001 | Yes | 28 | 4 | 24 | | Blood flow | | | | | Central | 64 | 36 | 28 | | Marginal | 116 | 64 | 52 | 0.889 | Elasticity modulus value | | | | | >63 kPa | 89 | 60 | 29 | 0.002 | <63 kPa | 91 | 40 | 51 | |
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: statistically different; : not statistically different. |