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. Author manuscript; available in PMC: 2017 Aug 28.
Published in final edited form as: Nat Rev Dis Primers. 2017 Mar 16;3:17011. doi: 10.1038/nrdp.2017.11

Figure 4. Clinical manifestations of alopecia areata.

Figure 4

a) Limited patchy alopecia areata (<50% scalp involvement). b) Extensive patchy alopecia areata (>50% scalp involvement). c) Active patch of alopecia areata showing exclamation point hairs (arrow) and slight skin erythema. d) Alopecia universalis. e) Ophiasis pattern of alopecia areata. f) Sparing of white hairs in alopecia areata. g) Nail pitting and longitudinal striations (trachyonychia) associated with alopecia areata. Part c and part f are reproduced with permission from REF 208, Wiley. Part e is reproduced with permission from REF 209, Springer.

Part c and part f are reproduced with permission from Messenger, A. G., Sinclair, R. D., Farrant, P. & de Berker, D. A. R. in Rook’s Textbook of Dermatology 9th edn (eds Griffiths, C., Barker, J., Bleiker, T., Chalmers, R. & Creamer, D.) 89 (Wiley-Blackwell, 2016), Wiley. Part e is reproduced with permission from Bohm, M. in European Handbook of Dermatological Treatments (eds Katsambas, A. D., Lotti, T. M., Dessinioti, C, & D’Erme, A. M.) 45-53 (Springer Berlin Heidelberg, 2015), Springer