1. Immunochemistry
1.1. E-cadherin expression
1.1.1. +
1.1.1.1. Ductal -
1.1.2. -
1.1.2.1. Lobular -
2. Breast tumors
2.1. Conjontive tumors
2.1.1. Breast fibroma
2.1.2. Sarcomatoid tumors
2.1.3. Benign stroma spindle cell tumor
2.1.4. Granular cell tumor
2.1.5. Clear cell sugar tumor
2.1.6. Leiomyoma
2.1.7. Juvenile xanthogranuloma
2.1.8. Lipoma
2.1.8.1. Spindle cell lipoma
2.1.9. Fibromatosis
2.1.10. Myofibroblastic tumor
2.1.11. Hemangioma
2.1.12. Angiosarcoma
2.1.13. Lymphangioma
2.1.14. Lipoma
2.1.15. Liposarcoma
2.1.16. Chondrolipoma
2.1.17. Myofibroblastoma
2.1.18. Chondrosarcoma
2.2. Epithelial tumors
2.2.1. Epithelial benign tumors
2.2.1.1. Cylindroma
2.2.1.2. Ductal adenoma
2.2.1.3. Eccrine spiradenoma
2.2.1.4. Mucocele
2.2.1.5. Mammary biphasic tumors
2.2.1.5.1. Myoepithelioma
2.2.1.5.2. Fibroadenoma
2.2.1.5.3. Mammary hamartoma
2.2.1.5.4. Phyllodes tumor
2.2.1.5.5. Phyllodes general hyperplasia (PASH)
2.2.1.5.6. Pleomorphic adenoma
2.2.1.6. Intraductal papilloma
2.2.1.7. Florid papillomatosis
2.2.1.8. Adenomas
2.2.1.8.1. Nipple adenoma
2.2.1.8.2. Lactating adenoma
2.2.1.8.3. Tubular adenoma
2.2.1.8.4. Syringomatous adenoma of nipple
2.2.1.9. Subareaolar sclerosing duct hyperplasia
2.2.1.10. Sclerosing lobular hyperplasia
2.2.2. Epithelial malignant tumors / Carcinomas
2.2.2.1. Invasive ductal carcinoma
2.2.2.2. Invasive lobular carcinoma
2.2.2.3. Tubular carcinoma
2.2.2.4. Papillary carcinoma
2.2.2.5. Paget disease of the nipple
2.3. Carney syndrome
3. Tissular anomalies
3.1. Epithelial anomalies
3.1.1. Ductal anomalies
3.1.1.1. Duct ectasia
3.1.1.2. Flat epithelial atypia
3.1.1.3. Atypical ductal hyperplasia (ADH)
3.1.2. Lobular anomalies
3.1.2.1. Atypical lobular hyperplasia
3.1.3. Gynecomastia
3.1.4. Pubertal macromastia
3.2. Conjonctive tissue
3.2.1. Fat anomalies
3.2.1.1. Fat necrosis
3.2.1.2. Panniculitis
3.2.2. Inflammation / Mastitis
3.2.2.1. Acute
3.2.2.1.1. Acute
3.2.2.1.2. Acute mastitis
3.2.2.1.3. Abcess
3.2.2.2. Chronic inflammation
3.2.2.2.1. Granulomatous mastitis
3.2.2.2.2. Foreign body reaction
3.2.2.2.3. Lymphocytic mastitis
3.2.2.2.4. Plasma cell mastitis
3.2.2.2.5. Slerosing mastitis
3.2.3. Necrosis
3.2.3.1. Hemorragic necrosis
3.2.3.2. Infarct
3.2.4. Nephrogenic systemic fibrosis
3.2.5. Ossification
3.2.6. Reactive spindle cell nodule
3.2.7. Fibrosis
3.3. Nipple anomalies
3.3.1. Chronic dermatitis of nipple skin
3.3.2. Nipple adenoma
4. Breast diseases
4.1. Infectious diseases
4.1.1. Tuberculosis
4.1.2. Fungi
4.1.3. Cysticercosis
4.1.4. Echinococcal cyst
4.1.5. Filariasis
4.1.6. Myasis
4.1.7. Sparganosis
4.2. Silicone implants
4.3. Dysimmune diseases
4.3.1. Sarcoidosis
4.3.2. Lupus mastitis
4.4. Nodular mucinosis
4.5. Vasculitis
4.5.1. Giant cell arteritis
4.5.2. Polyarteritis nodosa
4.6. Mondor disease
4.7. Fibrocystic disease
5. Congenital
5.1. Amastia
5.2. Aplasia
5.3. Hypoplasia
5.4. Athelia
5.5. Nipple inversion
5.6. Supernumerary nipple
5.7. Accessory glandular tissue
6. To sort
6.1. Ductal anomalies
6.1.1. Apocrine metaplasia
6.1.2. Columnar cell lesion
6.1.3. Ductal hyperplasia
6.1.3.1. Atypical ductal hyperplasia
6.1.3.2. Typical ductal hyperplasia
6.1.4. Intraductal papilloma
6.1.5. Ductal cylindric metaplasia
6.1.6. Florid epithelial hyperplasia
6.2. Lobular anomalies
6.2.1. Microglandular adenosis
6.2.2. Lobular hyperplasia
6.2.2.1. Atypical lobular hyerplasia (ALH - LIN1)
6.2.2.2. Comedonecrosis
6.3. Papillary lesions
6.3.1. Papilloma
6.3.1.1. Juvenile papilloma
6.3.2. Papillary carcinoma
6.4. Adenosis
6.4.1. Simple adenosis
6.4.2. Sclerosing adenosis
6.5. Collagenous spherulosis
6.6. Cystic hypersecretory hyperplasia
6.7. Mammary cysts
6.7.1. Ductal cysts
6.8. Fibroadenomatoid change
6.9. Interstitial anomalies
6.9.1. Vascular proliferations
6.9.1.1. Benign
6.9.1.2. Atypical
6.9.1.3. Malignant
6.9.2. Fibrosis
6.9.3. Amyloid deposits