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Anais Brasileiros de Dermatologia
On-line version ISSN 1806-4841
FERREIRA, Gustavo Novaes Martins; VALENTE, Neusa Yuriko Sakai and ROMITI, Ricardo. Do you know this syndrome?. An. Bras. Dermatol. [online]. 2006, vol.81, n.4, pp. 381-383. ISSN 1806-4841. http://dx.doi.org/10.1590/S0365-05962006000400012.
Loose anagen hair syndrome is characterized by thin and sparse hairs that can be easily extracted upon mild traction. The disorder affects predominantly children. Trichogram shows at least 70% of loose anagen hairs devoid of inner and outer hair sheaths, presenting a ruffled cuticle at the proximal portion. Although benign and self-limited, the disorder frequently concerns parents and should be further differentiated from telogen effluvium and trichotillomania.
Keywords : Alopecia; Hairs; Hypotricosis.