Breast
Congenital anomalies
Amastia / aplasia / hypoplasia / athelia


Topic Completed: 1 July 2010

Minor changes: 21 June 2020

Copyright: 2002-2020, PathologyOutlines.com, Inc.

PubMed Search: Breast amastia aplasia hypoplasia

Hind Warzecha, M.D.
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Cite this page: Warzecha H. Amastia / aplasia / hypoplasia / athelia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/breastamastia.html. Accessed November 23rd, 2020.
Definition / general
  • Amastia: no glandular tissue (no breast bud), no nipple and no areola
  • Aplasia: nipple and areola present but no glandular tissue
  • Athelia: very rare; breast glandular tissue but no nipple or areola (Wikipedia: Athelia (Disease)); also a genus of fungi
  • Hypoplasia: small rudimentary breasts (i.e. breast underdevelopment); also called micromastia
Epidemiology
  • Uncommon
  • Occurs more often in females than males
Sites
  • Unilateral or bilateral
Etiology
Case reports
Treatment
Clinical images

Images hosted on other servers:

Amastia in 11 year old girl

Hypoplasia in 9 year old girl
(fig 1)

Becker nevus with hypoplasia

Hypoplasia of right breast



26 year old woman:

Preoperative of bilateral amastia

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Image 01 Image 02