Table 3 Diagnostic performances of MRI for suspicious lesions classified as US BI-RADS 4A and 4B categories
From: The value of MRI for downgrading of breast suspicious lesions detected on ultrasound
Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | |
|---|---|---|---|---|
All lesions | 100 (94.5–100) | 92.6 (86.3–96.5) | 87.8 (78.2–94.3) | 100 (96.8–100) |
US BI-RADS category | ||||
4A | 100 (90–100) | 93.6 (87.3–97.4) | 83.3 (68.6–93.0) | 100 (96.5–100) |
4B | 100 (88.4–100) | 81.8 (48.2–97.7) | 93.8 (79.2–99.2) | 100 (66.4–100) |
Lesion type | ||||
Mass | 100 (93.2–100) | 92.2 (85.3–96.6) | 86.7 (75.4–94.1) | 100 (96.2–100) |
Non-mass | 100 (75.3–100) | 94.4 (72.7–99.9) | 92.9 (66.1–99.8) | 100 (80.5–100) |