“…Lichen striatus (LS) is a rare, benign, acquired dermatosis with a predilection for females [1][2][3][4][5] . The etiology is unknown, but it has been hypothesized to be derived from cutaneous mosaicism caused by a postzygotic somatic mutation 3,4 . Triggering events such as trauma, viral infections, vaccinations, and medications, can initiate an autoimmune response 3,4 which will produce a linear dermatosis, characterized by pink to flesh-colored or erythematous, millimetric flat-topped papules that follow Blaschko's lines [1][2][3][4][5] .…”