Breast

• mammary tumors
  28 November

  Examples
  mammary carcinomas
  See also
  mammary pathology mammary anomalies

• intraductal papilloma
  27 October

  Variants
  intraductal papilloma without atypia
  intraductal papilloma with atypia

• columnar cell anomalies
  14 October

  Synopsis
  enlarged acini
  dilated acini

• columnar cell lesion with atypia
  14 October

  Synopsis
  enlarged acini
  dilated acini
  globoid appearance of the dilated acini
  dilated acini contain secretions
  dilated acini are lined by cells with rounded nuclei with
  an increased nuclear to cytoplasmic ratio
  The acini are lined by several layers of luminal epithelial cells with loss of a polar arrangement.
  myoepithelial cells are present, but not prominent.
  Apocrine snouts are observed in most acini.
  conspicuous absence of architectural features diagnostic of (...)

• cellular bridge
  14 October

  Etiology
  usual hyperplasia
  atypical hyperplasia
  DCIS

• mammary acinar cells
  14 October

  Variants
  columnar lining cells elongated prominent apical snouts normal basolateral polarity
  myoepithelial cells / myoepithelial layer

• calcifying secretions
  14 October
• enlarged acini
  14 October

  Variants
  regular contours
  irregular contours

• intralobular connective tissue
  14 October

  Anomalies
  fibrosis / intralobular connective tissue fibrotic
  See also
  mammary components

• mammary acini
  14 October

  mammary acinus
  Variants
  dilatation / dilated acini
  undulating contours
  unfolded
  coalescing acini
  lining : lined by a single epithelial cell layer of columnar cells lined by a single epithelial cell layer, usually of cuboidal cells or apocrine cells no atypia : small nuclei , no nucleoli or atypia : large nuclei , nucleoli / nucleolation
  intralobular connective tissue fibrotic
  See also
  mammary lobule / mammary (...)

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