RT Journal Article SR Electronic T1 Extragenital lichen sclerosus arising in tattooed skin JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e246216 DO 10.1136/bcr-2021-246216 VO 15 IS 1 A1 Uthayakumar, Aarthy Kanmany A1 Kravvas, Georgios A1 Bunker, Christopher Barry YR 2022 UL http://casereports.bmj.com/content/15/1/e246216.abstract AB Lichen sclerosus (LSc) is a chronic inflammatory condition commonly affecting the anogenital area, with extragenital involvement seen in less than 1%–20% of cases. Concomitant extragenital and genital LSc is extremely rare in male patients. The Koebner phenomenon is a recognised feature of LSc; here we present a rare case of extragenital LSc occurring in tattooed skin.