Isolated Linear Discoid Lupus Erythematosus of Scalp Following Lines of Blaschko

Discoid lupus erythematosus (DLE) is an inflammatory autoimmune disease leading to scarring and hair loss. Linear Discoid lupus erythematosus has been mentioned in the literature as a rare variant. This article describes isolated linear DLE of the scalp. We present a 26-year-old Saudi male who had unilateral linear DLE of the scalp with no involvement of other body sites and no systemic manifestations. This case is the first case of isolated linear DLE on the scalp. This presentation should be considered as a differential diagnosis of linear scarring alopecia as a distinct morphological pattern of DLE.