Table 2 Comparison of CT and pathologically determined tumor sizes
From: The value of chest CT for prediction of breast tumor size: comparison with pathology measurement
Size (median ± SD) | Concordance with CT(%) | Discordance with CT(%) | ||||
|---|---|---|---|---|---|---|
n (%) | CT | Pathology | Overestimated by CT | Underestimated by CT | ||
Overall | 285 (100) | 19±10 | 20±13 | 228 (80) | 21 (7) | 36 (13) |
CT groupa | ||||||
Group 1 (<20 mm) | 139 (49) | 15±5 | 13±4 | 123 (88) | 15 (11) | 1 (1) |
Group 2 (≥ 20 mm) | 146 (51) | 27±10 | 30±13 | 105 (72) | 6 (4) | 35 (24) |
Tumor typeb | ||||||
IDC | 245 (86) | 20±10 | 20±12 | 202 (83) | 18 (7) | 25 (10) |
Non-IDC | 40 (14) | 18±11 | 19±14 | 26 (65) | 3 (8) | 11 (28) |