|
| Type of lesion | No. of cases (812) | Patients with histological correlation (727) |
|
| (A) Benign lesions with no risk of cancer | 83 (10.2%) | 12 |
| (1) Inflammatory breast lesions | 27 (3.3%) | |
| (a) Breast abscess | 5 (0.6%) | — |
| (b) Granulomatous mastitis | 12 (1.4%) | 2 |
| (c) Fat necrosis | 5 (0.6%) | — |
| (d) Periductal mastitis/duct ectasia | 5 (0.6%) | — |
| (2) Nonproliferative breast disorder | 40 (4.9%) | |
| (a) Simple cyst | 10 (1.2%) | — |
| (b) Fibrocystic change | 30 (3.6%) | 10 |
| (3) Miscellaneous breast lesions | 16 (1.9%) | |
| (a) Galactocele | 2 | — |
| (b) Lipoma | 3 | — |
| (c) Gynaecomastia | 2 | — |
| (d) Axillary breast tissue | 3 | — |
| (e) Suture granuloma | 2 | — |
| (f) Hamartoma | 2 | — |
| (g) Diabetic mastopathy | 1 | — |
| (h) Radiotherapy induced mastitis | 1 | — |
|
| (B) Benign lesions with mild to moderate risk of cancer | 258 (31.7%) | 248 |
| (1) Proliferative breast disease without atypia | 231 (28.4%) | 221 |
| (a) Fibrocystic disease without atypia (Moderate epithelial hyperplasia and adenosis) | 121 (14.9%) | 111 |
| (b) Fibroadenoma | 98 (12%) | 98 (2 cases turned as phyllodes) |
| (c) Phyllodes tumor Figure 3 | 12 (1.4%) | 12 |
| (2) Proliferative breast disorder with Atypia | 27 (3.3%) | 27 |
| (a) Atypical ductal hyperplasia | 15 (1.8%) | 15 (5 cases turned as carcinoma) |
| (b) Papillary neoplasm | 12 (1.4%) | 12 (10 cases papilloma, 2 cases papillary carcinoma) |
|
| (C) Suspicious and malignant lesions | 463 (57%) | 463 |
| (1) Suspicious | 12 (1.4%) | 12 |
| (2) Carcinoma | 449 (55.2%) | 449 |
| (3) Malignant myoepithelioma | 1 | 1 |
| (4) Metastatic adenocarcinoma | 1 | 1 |
|
| (D) Unsatisfactory | 8 | 4 (1 case invasive ductal carcinoma) |
|
