Table 2. Final diagnosis and maximum tumor diameter of masses (n = 164).
|
A) Final diagnosis, n (%) | ||
|
- |
Diagnosis/category |
n (%) |
|
Benign (n = 73) |
Fibroadenoma |
2 (2.7) |
|
Papilloma |
8 (11.0) |
|
|
Mastitis |
11 (15.1) |
|
|
Fibrocystic disease |
2 (2.7) |
|
|
Epithelial hyperplasia |
2 (2.7) |
|
|
Stable on follow-up |
30 (41.1) |
|
|
Other benign |
18 (24.7) |
|
|
Malignant (n = 91) |
Invasive ductal carcinoma |
52 (57.1) |
|
Invasive lobular carcinoma |
8 (8.8) |
|
|
IDC + ILC |
4 (4.4) |
|
|
IDC + ductal carcinoma in situ |
14 (15.4) |
|
|
Other malignant |
13 (14.3) |
|
|
B) Maximum tumor diameter categories, n (%) | ||
|
- |
Maximum diameter |
n (%) |
|
Benign (n = 73) |
< 10 mm |
28 (38.4) |
|
11–20 mm |
16 (21.9) |
|
|
21–30 mm |
11 (15.1) |
|
|
31–40 mm |
8 (11.0) |
|
|
41–50 mm |
3 (4.1) |
|
|
> 51 |
7 (9.6) |
|
|
- |
Mean ± SD, mm: 23 ± 20; median: 18; range: 4–90 |
|
|
Malignant (n = 91) |
<10 mm |
3 (3.3) |
|
11–20 mm |
17 (18.7) |
|
|
21–30 mm |
31 (34.1) |
|
|
31–40 mm |
15 (16.5) |
|
|
41–50 mm |
9 (9.9) |
|
|
> 51 |
16 (17.6) |
|
|
- |
Mean ± SD, mm: 36 ± 22; Median: 28; Range: 10–95 |
|
Percentages are calculated within the benign (n = 73) and malignant (n = 91) subgroups. IDC, invasive ductal carcinoma; ILC, invasive lobular carcinoma; SD, standard deviation.