Skin inflammatory (nontumor)

Author: Mowafak Hamodat, M.D., M.Sc. (see Authors page)

Revised: 17 October 2018, last major update July 2011

Copyright: (c) 2002-2018,, Inc.

PubMed Search: Alopecia [title] skin

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Cite this page: Hamodat, M. Alopecia. website. Accessed January 22nd, 2019.
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

Images hosted on PathOut server:

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

Folliculitis decalvans

Images hosted on other servers:

Alopecia areata