Umbilical seborrheic keratosis-like lesion developing after diode laser hair removal in an 18-year-old patient.
Farid MallatStéphanie MatarBoutros SoutouPublished in: Journal of cosmetic and laser therapy : official publication of the European Society for Laser Dermatology (2023)
the development of a seborrheic keratosis-like lesion on a densely haired non-sun-exposed umbilicus of a young patient, following pre-laser shaving and high-fluence hair removal diode laser sessions, could have implicated triggering irritation and/or keratinocyte stimulation by red light-engendered reactive oxygen species (ROS) in the skin with silent epidermal mosaicism.