Picosecond 755‐nm alexandrite laser treatment for oral lentiginosis in Peutz–Jeghers disease

Abstract We present the case of a 16‐year‐old boy with Peutz–Jeghers disease with successful treatment of oral lentiginosis with one session of picosecond 755‐nm alexandrite laser. To date, only in one other article picosecond laser is used for lentiginosis in Peutz–Jeghers disease. Other therapeutical options include Q‐switched 755‐nm alexandrite, 1064‐nm Nd:YAG, 532‐nm KTP‐laser, ruby and intense pulsed light, which generally require more sessions, are less pigment‐selective and have overall worse results than picosecond laser treatment.