Sandbox:Shadan

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Shadan Mehraban, M.D.[2]

Classification

Classification of breast lumps based on epithelial hyperplasia
   * Approximately 65% of all BBD 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 atypiawith 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