|
Pathobiological characteristics of the tumours with data arranged by decreasing order of percentage. (Total n = 166). |
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| Pathobiological characteristics |
Cases |
|
| N |
% frequency |
|
|
|
||
| Tumour location |
||
| Right breast |
89 |
53.6 |
| Left breast |
70 |
42.2 |
| Both |
7 |
4.2 |
| Operation performed |
||
| Total mastectomy with axillary clearance |
89 |
53.6 |
| Total lumpectomy without axillary clearance |
49 |
29.5 |
| Total mastectomy without axillary clearance |
17 |
10.2 |
| Total lumpectomy with axillary clearance |
7 |
4.2 |
| Total quadrantectomy |
4 |
2.4 |
| Margins |
||
| Irregular (stellate) |
146 |
87.9 |
| Defined (demarked) |
20 |
12.0 |
| Type |
||
| Invasive carcinoma |
138 |
83.1 |
| Non-invasive carcinoma |
28 |
16.9 |
| Surrounding breast tissue |
||
| Adenosis |
85 |
51.2 |
| Fibrocystic |
73 |
44.0 |
| Normal |
6 |
3.6 |
| Papillomatous |
2 |
1.2 |
| Mitotic index |
||
| 10–20 |
91 |
54.8 |
| >20 |
47 |
28.3 |
| <10 |
28 |
16.9 |
| Nuclear pleomorphism |
||
| Marked |
84 |
50.6 |
| Moderate |
64 |
38.5 |
| Small |
18 |
10.8 |
| Grade |
||
| II |
84 |
50.6 |
| III |
65 |
39.2 |
| I |
17 |
10.2 |
| Size |
||
| 2–5 cm |
89 |
53.6 |
| >5 cm |
52 |
31.3 |
| <2 cm |
25 |
15.1 |
| Tumour lymphocyte |
||
| Absent |
57 |
34.3 |
| Scanty |
43 |
25.9 |
| Multifocal outside the tumour |
18 |
10.8 |
| Band outside the tumour |
13 |
7.8 |
| Multifocal within the tumour |
11 |
6.6 |
| Diffuse outside the tumour |
11 |
6.6 |
| Diffuse within the tumour |
7 |
4.2 |
| Band within the tumour |
6 |
3.6 |
| Stage |
||
| II |
66 |
39.8 |
| III |
48 |
28.9 |
| I |
28 |
16.9 |
| IV |
24 |
14.5 |
| Histological type of non-invasive carcinoma |
||
| Ductal carcinoma in situ (DCIS) |
23 |
82.1 |
| Lobular carcinoma in situ (LCIS) |
5 |
17.9 |
| Histological subtype of ductal carcinoma in situ (DCIS) |
||
| Comedo |
11 |
47.8 |
| Cribriform |
6 |
26.1 |
| Solid |
2 |
8.7 |
| Papillary |
2 |
8.7 |
| Micropapillary |
1 |
4.3 |
| Apocrine |
1 |
4.3 |
| Histological subtype of invasive carcinoma |
||
| Ductal – not otherwise specified |
99 |
71.7 |
| Lobular |
14 |
10.1 |
| Tubular/cribriform |
13 |
9.4 |
| Colloid (mucinous) |
2 |
1.4 |
| Medullary |
2 |
1.4 |
| Papillary |
2 |
1.4 |
| Comedo |
2 |
1.4 |
| Paget's disease |
2 |
1.4 |
| Adenoid |
1 |
0.7 |
| Apocrine |
1 |
0.7 |
Saleh and Abdeen Journal of Carcinogenesis 2007 6:12 doi:10.1186/1477-3163-6-12 |
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