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Anais Brasileiros de Dermatologia
Print version ISSN 0365-0596
On-line version ISSN 1806-4841
FOGAGNOLO, Leticia et al. Lichen striatus on adult. An. Bras. Dermatol. [online]. 2011, vol.86, n.1, pp.142-145. ISSN 0365-0596. http://dx.doi.org/10.1590/S0365-05962011000100022.
Lichen Striatus is an uncommon inflammatory skin eruption of unknown etiology. It rarely affects adults, and it is characterized by abrupt onset of coalescent papules, in a linear disposition, usually on the extremities. Histopathology shows lichenoid reaction involving follicles and glands. Occasionally, there is overlap with linear lichen planus and "blaschkitis", the main differential diagnoses. It is reported here the case of an adult woman with erythematous violaceous papules on the right side of the neck and face, diagnosed with lichen striatus by clinical and histopathological correlation. The atypical findings and the diagnostic difficulty are discussed.
Keywords : Lichenoid eruptions; Pathology; Skin diseases, papulosquamous.