Table 1 Malignant and benign features of the “simple rules”
From: Association between the sonographer’s experience and diagnostic performance of IOTA simple rules
M features | B features | |
|---|---|---|
1 | Irregular solid tumor | Unilocular cyst |
2 | Ascites | Acoustic shadows |
3 | At least four papillary structures | Smooth multilocular tumor |
4 | Irregular multilocular solid tumor with the largest diameter of at least 100 mm | The presence of solid components for which the largest solid component is < 7 mm in the largest diameter |
5 | Very high color content on color Doppler examination | No detectable blood flow on Doppler examination |