Breast lumps classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
There is no established system for the classification of [disease name].
OR
[Disease name] may be classified according to [classification method] into [number] subtypes/groups: [group1], [group2], [group3], and [group4].
OR
[Disease name] may be classified into [large number > 6] subtypes based on [classification method 1], [classification method 2], and [classification method 3]. [Disease name] may be classified into several subtypes based on [classification method 1], [classification method 2], and [classification method 3].
OR
Based on the duration of symptoms, [disease name] may be classified as either acute or chronic.
OR
If the staging system involves specific and characteristic findings and features: According to the [staging system + reference], there are [number] stages of [malignancy name] based on the [finding1], [finding2], and [finding3]. Each stage is assigned a [letter/number1] and a [letter/number2] that designate the [feature1] and [feature2].
OR
The staging of [malignancy name] is based on the [staging system].
OR
There is no established system for the staging of [malignancy name].
Classification
Classification of breast lumps based on epithelial hyperplasia[1]
Approximately 65% of all benign breast disease considered as nonproliferative(NP)with relative cancer risk of 1.2, 1.4 times:
Simple cyst
Fibrosis
Fibroadenoma (simple)
Columnar alteration (Simple)
Apocrine metaplasia (simple)
Mild ductal hyperplasia
Approximately 30% of total are classifed as proliferative disease(PD) with relative cancer risk of 1.7, 2.1 times
Usual ductal hyperplasia
Sclerosing adenosis
Columnar hyperplasia
papilloma
Radical scar
Approximately 5% to 8% of the rest regarded to PD with atypia with relative cancer risk more than 4 times
Atypical lobar hyperplasia
Lobular carcinoma in situ
Atypical ductal hyperplasia
Unclear risk
Mucocele like tumor
Apocrine atypia
Secretory atypia
Classification of benign breast lesion regarding to histological region:[2]
Terminal and lobular ducts
Acinar distention
Cyst
Intralobular connective tissue proliferation
Sclerosing adenosis
Fibroadenoma
Phyllodes tumor
Hamartoma
Epithelial changes in terminal duct lobaular units (TDLU)
Apocrine metaplasia
Ductal and lobular hyperplasia, usual and typical
Papillomatosis
Intracystic papilloma
Ductal system
Ductal ectasia
Intraductal papilloma
Lesion of different origin
Fatty tissue lesion
Lipoma
Liponecrosis
Fibrous tissue lesions
Focal fibrosis
Diabetic mastopathy
Pseudoangiomatous stromal hyperplasia (PASH)
Myofibroblastoma
Vascular origin
Hemangioma
Inflammatory origin
Mastitis/abscess
Tuberclosis and sarcoidosis
Foreign body granuloma and siliconoma
Lymph node origin
Inflammatory lymoh nodes