Lichen striatus (LS) is an uncommon disorder that manifests as continuous or interrupted erythematous papules showing a unilateral pattern and linearity corresponding to Blaschko lines. LS mainly occur in children from 5 to 15 years of age. The eruption is usually asymptomatic and spontaneously recovers within 3-6 months in most cases, but often leaves hypopigmentation especially in dark-skinned patients. Although the etiology of LS has not been exactly determined, it has been reported that LS is a T-cell mediated inflammatory skin disease associated with autoimmune response to mutated keratinocytic cloning. Pimecrolimus is an ascomycin derivative, which is a new class of immunomodulating macrolactams. The acting mechanism of pimecrolimus is the blockage of T-cell activation .
We, herein, report a case of a 15-year-old girl with lichen striatus who was successfully treated with topical pimecrolimus. Viagra Professional