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Anais Brasileiros de Dermatologia
On-line version ISSN 1806-4841
WERNER, Betina and MULINARI-BRENNER, Fabiane. Clinical and histological challenge in the differential diagnosis of diffuse alopecia: female androgenetic alopecia, telogen effluvium and alopecia areata - part II. An. Bras. Dermatol. [online]. 2012, vol.87, n.6, pp.884-890. ISSN 1806-4841. http://dx.doi.org/10.1590/S0365-05962012000600010.
Diffuse alopecia is mainly caused by telogen effluvium, diffuse androgenetic alopecia (femalepattern hair loss) and diffuse alopecia areata. Differential diagnosis between the three disorders may be difficult in several occasions. In this second part of our study, chronic telogen effluvium and diffuse alopecia areata are discussed in detail, including clinical, dermoscopic and histological aspects. A flowchart presents a practical and objective differential diagnostic approach to diffuse alopecia.
Keywords : Alopecia; Alopecia areata; Biopsy; Dermoscopy; Histology.