Skin nontumor

Topic Completed: 1 July 2011

Minor changes: 6 August 2020

Copyright: 2002-2020,, Inc.

PubMed Search: Alopecia [title] skin

Mowafak Hamodat, M.B.Ch.B., M.Sc.
Page views in 2019: 5,921
Page views in 2020 to date: 4,036
Cite this page: Hamodat M. Alopecia. website. Accessed October 20th, 2020.
Definition / general
  • Hair loss from head or body
  • Causes include baldness (pattern alopecia or androgenic alopecia), chemotherapy, hairstyling or hair drying, trichotillomania (compulsive pulling of hair) or other medical disorders
  • Adequate tissue sampling and appropriate laboratory processing, in combination with clinical information, provide the key to diagnosis (Histopathology 2010;56:24)
  • Alopecia areata: sudden hair loss causing patches to appear on scalp or elsewhere
  • Folliculitis decalvans: alopecia that involves scarring; redness, swelling and pustules around hair follicle, with subsequent follicular destruction and permanent hair loss
Clinical images

Images hosted on other servers:

Alopecia areata

Microscopic (histologic) images

Contributed by Angel Fernandez-Flores, M.D., Ph.D.

Folliculitis decalvans

Images hosted on other servers:

Alopecia areata

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