Table 2.
BIRADS category and features of suspicious lesions seen using ultrasound and mammography
| Ultrasound | Mammography | p-value | |
| BIRADS CATEGORY | N (%) | N (%) | |
| 0 | - | 11 (8.0) | X2 = 223.735 |
| I | 181 (60.3) | 174 (58.0) | df =12 |
| II | 99 (33.0) | 86 (28.7) | P= 0.000 |
| III | 7 (2.3) | 8 (2.7) | |
| IV | 13 (4.3) | 8 (2.7) | |
|
Features of suspicious lesions |
|||
| Mass | 20 (100) | 11(73.3) | 0.185 |
| Spiculations | 10 (50) | 8 (53.3) | 21.212 |
|
Thick Incomplete Halo |
3 (15) | 6 (40.0) | Fisher |
| Microlobulation | 8 (40) | 6 (40.0) | 25.000 |
| Architectural Distortion | 10 (50) | 10 (66.7) | 9.642 |
| Microcalcification | 2 (10) | 4 (26.7) | Fisher |
| Axillary lymphadenopathy | 4 (20) | 5 (33.3) | 19.792 |
*
0 = Inconclusive, I = normal/negative, II = benign, III = probably benign (2%suspicion of malignancy), IV - 34% suspicious of malignancy. Only a few had category III and IV lesions; more were detected using ultrasound. Commonest features seen were mass, spiculations and architectural distortion.