Table 1.
Diagnostic accuracy rates [% (lesion)] of high-frequency HFUS and FDS
| Pathological results | Examination methods | |
|---|---|---|
| HFUS | FDS | |
| Benign | 82.75% (192/232) | 84.48% (196/232) |
| Intraductal papilloma (n = 163) | 87.12% (142/163) | 89.57% (146/163) |
| Adenosis with duct ectasia (n = 35) | 71.43% (25/35) | 65.71% (23/35) |
| Apocrine adenosis with usual ductal hyperplasia (n = 9) | 88.89% (8/9) | 77.78% (7/9) |
| Usual ductal hyperplasia with inflammatory cell infiltration (n = 12) | 50% (6/12) | 83.33% (10/12) |
| Fibrocystic changes with ductal hyperplasia (n = 8) | 100% (8/8) | 62.5% (5/8) |
| Mammary duct ectasia (n = 5) | 60% (3/5) | 100% (5/5) |
| Malignant | 100% (16/16) | 93.75% (15/16) |
| Ductal carcinoma in situ (DCIS) (n = 12) | 100% (12/12) | 100% (12/12) |
| Invasive breast carcinoma of no special type (n = 4) | 100% (4/4) | 75% (3/4) |