Breast

• mammary proliferative anomalies
  20 May 2009

  ductal and lobular proliferative lesions of the breast; mammary proliferative lesions; mammary ductal and lobular proliferative lesions; mammary ductal and lobular proliferative anomalies
  See also
  mammary ductal proliferative anomalies
  mammary lobular proliferative anomalies
  Types
  mammary fibrocystic disease
  mammary adenosis mammary sclerosing adenosis mammary microglandular adenosis mammary blunt duct adenosis (columnar cell change )
  mammary ductal anomalies mammary ductal (...)

• pubertal macromastia
  19 May 2009

  Differential diagnosis: mammary biphasic lesions
  adenomyoepithelioma
  mammary fibroadenomas mammary juvenile fibroadenoma
  mammary hamartoma
  metaplastic mammary carcinoma
  phyllodes tumor
  mammary pleomorphic adenoma
  gynecomastia

• mammary pleomorphic adenoma
  19 May 2009

  Images
  https://twitter.com/RoseannIWu/status/580166616006172672
  Differential diagnosis: mammary biphasic lesions
  adenomyoepithelioma
  mammary fibroadenomas mammary juvenile fibroadenoma
  mammary hamartoma
  metaplastic mammary carcinoma
  phyllodes tumor
  mammary pleomorphic adenoma
  gynecomastia
  pubertal macromastia
  See also
  mammary tumors

• mammary adenomyoepithelioma
  19 May 2009

  adenomyoepithelioma of the breast

• juvenile mammary adenofibroma
  19 May 2009

  Benign cystosarcoma phyllodes, Cellular fibroadenoma , Cellular adenofibroma, Fetal fibroadenoma , Juvenile adenofibroma
  Definition; Circumscribed, often large, breast mass usually occuring in adolescent females with stromal and epithelial hypercellularity but lacking the leaf-like growth pattern of phyllodes tumors.
  Synopsis
  Most patients age 10-20
  Most fibroadenomas in adolescents are typical.
  Circumscribed
  Rarely multiple
  Biphasic stromal and epithelial process
  Cellular (...)

• adult-type fibroadenoma
  19 May 2009

  See also
  juvenile mammary fibroadenoma

• giant mammary fibroadenoma
  19 May 2009

  Digital case
  JRC:5215 : Giant mammary fibroadenoma.
  JRC:5217 : Giant mammary fibroadenoma.
  Synopsis
  Tumors >500 g or disproportionally large compared to rest of breast
  More frequent in young and black patients
  merely descriptive term
  May be either adult-type mammary fibroadenoma or juvenile mammary fibroadenoma
  See also
  mammary fibroadenoma

• mammary spindle cell carcinoma
  9 May 2009

  metaplastic spindle cell carcinoma of the breast; carcinosarcoma, sarcomatoid carcinoma, (low-grade fibromatosis-like) spindle cell carcinoma, carcinoma with pseudosarcomatous metaplasia, matrix-producing carcinoma.

• low grade, fibromatosis-like metaplastic carcinoma of the breast
  9 May 2009

  Low grade, fibromatosis-like metaplastic carcinoma of the breast may arise de novo but may also be seen arising in association with papillomas and benign sclerosing lesions.
  They are composed of bland spindle cells resembling those seen in scars or fibromatosis. In contrast to the cells of scars or fibromatosis, however, the spindle cells comprising these lesions show expression of cytokeratin, and some cases show epithelioid cell clusters or small foci of squamous differentiation.
  These (...)

• IgG4-associated mastitis
  30 April 2009

  Immunoglobulin G (IgG)4-related sclerosing disease is a recently described syndrome characterized by mass-forming lesions in various organs due to dense lymphoplasmacytic infiltrates and stromal sclerosis, elevated serum IgG4 titer, increased tissue IgG4 plasma cells, and favorable clinical outcome. IgG4-related sclerosing mastitis is one of the possible localization.
  IgG4-related sclerosing mastitis appears to be a distinctive form of mastitis, sometimes accompanied by other components of (...)

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