28 November 2020 : Clinical Research
Use of Palpation Imaging in Diagnosis of Breast Diseases: A Way to Improve the Detection Rate
Yihan Ding12ABE, Chenyu Sun3CDEF, Qin Zhou4CD, Ce Cheng5DF, Cunye Yan6AF, Benzhong Wang12AEG*DOI: 10.12659/MSM.927553
Med Sci Monit 2020; 26:e927553
Table 1 Patient and tumor characteristics.
| Characteristic | Total, n (%) | Malignant, n (%) | Benign, n (%) |
|---|---|---|---|
| <40 | 78 (42.4) | 1 (2.7) | 77 (52.4) |
| 40–55 | 78 (42.4) | 22 (59.5) | 56 (38.1) |
| >55 | 28 (15.2) | 14 (37.8) | 14 (9.5) |
| Left | 115 (51.1) | 19 (48.7) | 96 (51.6) |
| Upper inner | 21 (18.3) | 3 (15.8) | 18 (18.8) |
| Upper outer | 66 (57.4) | 15 (78.9) | 51 (53.1) |
| Lower outer | 17 (14.8) | 0 | 17 (17.7) |
| Lower inner | 6 (5.2) | 1 (5.3) | 5 (5.2) |
| Others (Nipple-areola) | 5 (4.3) | 0 | 5 (5.2) |
| Right | 110 (48.9) | 20 (51.3) | 90 (48.4) |
| Upper inner | 17 (15.5) | 0 | 17 (18.9) |
| Upper outer | 62 (56.4) | 13 (65.0) | 49 (54.4) |
| Lower outer | 21 (19.1) | 4 (20.0) | 17 (18.9) |
| Lower inner | 8 (7.3) | 3 (15.0) | 5 (5.6) |
| Others (Nipple-areola) | 2 (1.8) | 0 | 2 (2.2) |
| Results | |||
| 1 | 1 (0.4) | 1 (2.6) | 0 |
| 2 | 3 (1.3) | 0 | 3 (1.6) |
| 3 | 111 (49.3) | 1 (2.6) | 110 (59.1) |
| 4a | 57 (25.3) | 5 (12.8) | 52 (28.0) |
| 4b | 17 (7.6) | 12 (30.8) | 5 (2.7) |
| 4c | 10 (4.4) | 9 (23.1) | 1 (0.5) |
| 5 | 10 (4.4) | 10 (25.6) | 0 |
| None | 16 (7.1) | 1 (2.6) | 15 (8.1) |
| Lesion size, mm | |||
| <10 | 46 (20.4) | 2 (5.1) | 44 (23.7) |
| ≥10–<20 | 99 (44.0) | 11 (28.2) | 88 (47.3) |
| ≥20–<40 | 59 (26.2) | 19 (48.7) | 40 (21.5) |
| ≥40 | 18 (8.0) | 6 (15.4) | 12 (6.5) |
| Unknown | 3 (1.3) | 1 (2.6) | 2 (1.1) |
| Breast density | |||
| a | 2 (1.7) | 2 (5.6) | 0 |
| b | 8 (6.8) | 5 (13.9) | 3 (3.7) |
| c | 88 (75.2) | 27 (75.0) | 61 (75.3) |
| d | 19 (16.2) | 2 (5.6) | 17 (21.0) |
| Results | |||
| 1 | 34 (29.1) | 2 (5.6) | 32 (39.5) |
| 2 | 9 (7.7) | 0 | 9 (11.1) |
| 3 | 19 (16.2) | 2 (5.6) | 17 (21.0) |
| 4a | 15 (12.8) | 3 (8.3) | 12 (14.8) |
| 4b | 16 (13.7) | 8 (22.2) | 8 (9.9) |
| 4c | 8 (6.8) | 5 (13.9) | 3 (3.7) |
| 5 | 16 (13.7) | 16 (44.4) | 0 |