Abstract
Monilethrix is a Greco-Latin term that mean “hair stick”1. It is a rare genetic disorder with autosomal dominant inheritance, characterized by degeneration of the hair matrix and formation of defective cuticle. The hairs are brittle and not exceed a few inches length. The scalp is the most affected region and the most common clinical presentation is alopecia associated with keratosis follicularis2,3. The diagnosis is clinical and the tricoscopia evidence moniliformes changes (switching between wide and narrow band)
Highlights
Monilethrix is a Greco-Latin term that mean “hair stick”[1]
most common clinical presentation is alopecia associated with keratosis follicularis[2,3]
É um exame de rápida execução, não invasivo, que permite que o dermatologista diferencie alterações como fraturas e irregularidades da haste capilar possibilitando assim o diagnóstico do monilethrix
Summary
Monilethrix is a Greco-Latin term that mean “hair stick”[1]. It is a rare genetic disorder with autosomal dominant inheritance, characterized by degeneration of the hair matrix and formation of defective cuticle. Caracteriza-se por áreas largas alternando com áreas estreitas nas hastes capilares, formando o que se chama de região nodal e internodal. 1. Médica graduada pela Universidade Gama Filho(UGF), Rio de Janeiro (RJ), Brasil. Pós-graduanda em Dermatologia do Hospital Naval Marcílio Dias (HNMD) – Rio de Janeiro (RJ), Brasil.
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