Breast Pathology
Cases are contributed by: Fatma Aktepe, MD
Inflammatory breast diseases
Acute mastitis/abscess
Duct ectasia
Fat necrosis
Idiopathic granulomatous mastitis
Lymphocytic mastitis
Fibrocystic changes
Adenosis
Atypical apocrin adenosis
Columnar cell changes
Radial scar/complx sclerosing
Usual ductal epithelial hyperplasia
Fibroepithelial tumor
Fibroadenoma
Fibromatoid change
Hamartoma
Phylloides tumor
Benign
Borderline
Malignant
Tubuler adenoma
Epithelial-myoepithelial tumors
Adenomyoepithelioma
Myoepithelioma
Pleomorphic adenoma
Other benign tumors
Apocrine adenoma
Ductal adenoma
Eccrine spiradenoma
Fibromatosis
Nipple adenoma
Syringomatous tumor
Noninvasive lobular neoplasia
Atypical lobular hyperplasia
LCIS-classıc
LCIS-pleomorphic
Intraductal atypia
Atypical ductal hyperplasia
Flat epithelial atypia
Ductal carcinoma in situ:
DCIS
Paget disease
Papillary neoplasms
Intraductal papilloma
Papillary ductal carcinoma in situ
Encapsulated papillary carcinoma
Solid papillary carcinoma (in situ and invasive)
İnvasive papillary carcinoma
WHO Classification of Invasive Carcinoma of the Breast
Invasive breast carcinoma of no special type
Micro-invasive carcinoma
Invasive lobular carcinoma
Invasive carcinoma with mixed ductal and lobular features
Tubular carcinoma
Mucinous carcinoma
Mucinous cystadenocarcinoma
Invasive micropapillary carcinoma
Carcinoma with apocrine differentiation
Low grade adenosquamous carcinoma
Spindle cell carcinoma
Squamous cell carcinoma
Rare and salivary gland like tumors
Acinic cell carcinoma
Adenoid cystic carcinoma
Secretory carcinoma
Mucoepidermoid carcinoma
Polymorphous adenocarcinoma
Tall cell carcinoma with reversed polarity
Neuroendocrine neoplasms
Neuroendocrine tumor
Neuroendocrine carcinoma
Mesenchymal tumors of breast
Vascular tumors
Hemangioma
Angiomatosis
Atypical vascular lesions
Postradiation angiosarcoma of the breast
Primary angiosarcoma of the breast
Fibroblastic and myofibroblastic tumors
Nodular fasciitis
Myofibroblastoma
Desmoid fibromatosis
Inflammatory myofibroblastic tumor
Peripheral nerve sheat tumors
Schwannoma
Neurofibroma
Granular cell tumor
Smoothe muscle tumors
Leiomyoma
Leiomyosarcoma
Adypositic tumors
Lipoma
Angiomyolipoma
Liposarcoma
Others tumor and tumor-like conditions
Pseudoangiomatous stromal hyperplasi (PASH)
Collgenous spherulosis
Microcalcificatios
Mucocele-like lesions