Table 1 Distribution of the studied cases according to MRI features of the mass lesions
MRI features of mass lesions | Total (n = 71) | Mass (n = 63) | Mass and non-mass (n = 8) | |||
|---|---|---|---|---|---|---|
No | % | No | % | No | % | |
Size (cm) | ||||||
< 2 | 15 | 21.1 | 15 | 23.8 | 0 | 0.0 |
≥ 2 | 56 | 78.9 | 56 | 76.2 | 8 | 100.0 |
Shape | ||||||
Regular | 7 | 9.9 | 6 | 9.5 | 1 | 12.5 |
Irregular | 64 | 90.1 | 57 | 90.5 | 7 | 87.5 |
Margin | ||||||
Circumscribed | 5 | 7.0 | 5 | 7.9 | 0 | 0.0 |
Irregular | 15 | 21.1 | 12 | 19.0 | 3 | 37.5 |
Spiculated | 51 | 71.8 | 46 | 73.0 | 5 | 62.5 |
T2 signal | ||||||
Low- intermediate | 68 | 95.8 | 60 | 95.2 | 8 | 100.0 |
High signal | 3 | 4.2 | 3 | 4.8 | 0 | 0.0 |
Patterns | ||||||
Homogeneous | 10 | 14.1 | 10 | 15.9 | 0 | 0.0 |
Heterogeneous | 51 | 71.8 | 44 | 69.8 | 7 | 87.5 |
Rim enhancement | 10 | 14.1 | 9 | 14.3 | 1 | 12.5 |