mammary epithelial anomalies

Types

 ductal anomalies / intraductal anomalies

• intraductal proliferative anomalies
• intraductal papillary anomalies

 other benign epithelial proliferations

• mammary adenosis
  • sclerosing adenosis
  • apocrine
  • blunt duct
  • microglandular
  • adenomyoepithelial

• radial scar / complex sclerosing anomaly
• mammary adenomas
  • tubular adenoma
  • lactating adenoma
  • apocrine adenoma
  • pleomorphic adenoma
  • ductal adenoma

 mammary myoepithelial anomalies

• myoepitheliosis
• adenomyoepithelial adenosis
• adenomyoepithelioma
• malignant myoepithelioma

Types

 fibrocystic disease

• apocrine metaplasia
• collagenous spherulosis
• columnar cell lesion
• cystic hypersecretory hyperplasia
• mammary cysts
• epithelial ductal hyperplasia
• fibroadenomatoid change
• mammary fibrosis
• mammary microcalcifications
• pseudolactational hyperplasia
• radial scar
• galactocele

 adenosis

• adenomyoepithelial adenosis
• apocrine adenosis
• mammary blunt duct / mammary columnar cell lesions
• microglandular adenosis
• sclerosing adenosis
• tubular adenosis

 epithelial hyperplasia

• regular epithelial hyperplasia
• atypical hyperplasia
  • flat epithelial atypia (FEA)
  • atypical ductal hyperplasia (ADH)
  • atypical lobular hyperplasia (ALH)

 mammry benign epithelial tumors / changes

• adenomyoepithelioma
• mammary adenomas
  • apocrine adenoma
  • ductal adenoma
  • eccrine spiradenoma
  • subareolar sclerosing duct hyperplasia
  • syringomatous adenoma of nipple
  • mammary tubular adenoma
  • cylindroma
  • fibroadenoma
  • lactating adenoma
  • nipple adenoma / nipple florid papillomatosis
  • mucocele
  • pleomorphic adenoma
  • sclerosing lobular hyperplasia

Links

 Breast benign disorders pathology

• http://www.slideshare.net/kirubavijay/breast-benign-disorders-pathology

See also

 mammary non-epithelial anomalies

• amyloid tumor
• angiolipoma
• atypical or benign vascular proliferations post-radiation
• benign stromal spindle cell tumors
• Carney syndrome
• chondrolipoma
• clear cell "sugar" tumor
• cellular fibromatosis
• granular cell tumor
• gynecomastia-like hamartoma
• hemangioma
• hemangiopericytoma
• inflammatory myofibroblastic tumor
• juvenile xanthogranuloma
• leiomyoma
• lipoma
• lymphangioma
• myoepithelioma
• myofibroblastoma
• nodular mucinosis
• papilloma
• phyllodes : benign phyllodes , borderline phyllodes , malignant phyllodes
• pseudoangiomatous stromal hyperplasia (PASH)
• spindle cell lipoma

See also

 mammary anomalies
 cribriform anomalies

Open references

 IHC update in mammary lesions. 2017. http://www.archivesofpathology.org/doi/pdf/10.5858/arpa.2016-0482-RA