Background Balanitis xerotica obliterans (BXO) is a subtype of lichen sclerosus that affects the foreskin and glans penis in males. It appears as white or hypopigmented macules and atrophic papules on the penis. Involvement of the foreskin results in depigmented, atrophic skin, often leading to phimosis due to constriction. On the glans, the condit