Linear lichen planus (LP) is a rare variant of lichen planus that may present in a dermatomal or zosteriform distributionor develop along the lines of Blaschko. Blaschkoid linear LP is a rarer distinct variant of LP and should be differentiatedfrom other linear subtypes of LP and other Blaschkoid dermatoses. A 24-year-old male patient presented with multipleshiny, purple, polygonal papules arranged perpendicularly over the right lower extremity and also in shorter curvilinear(S-shaped) lesions on the left side of the abdomen and left flank along the lines of Blaschko. The histopathologicalfindings of a biopsy specimen were compatible with the clinical diagnosis of lichen planus. To date, almost all of thereported cases of linear lichen planus along the lines of Blaschko have had unilateral presentations. We herein reporta rare case of bilateral linear Blaschkoid lichen planus and review the literature briefly.
展开▼
