Idiopathic guttate hypomelanosis or leukoderma
What is it?
Lesions caused by the accumulative action of sunlight on skin areas that suffered long and repeated sun exposure throughout life, causing changes in the melanocytes (skin cells responsible for pigmentation).
The guttate leukoderma characterized by white spots, small, 1-5 mm in size, affecting the arms and legs in the areas of sun exposure.
Characteristics and symptoms
The guttate hypomeanosis is characterized by white spots, small, 1-5 mm in size, affecting mainly the arms and legs in the areas of sun exposure.
It consists in the use of sunscreen whenever one exposes the skin to the sun in order to prevent additional sun damage to skin that has already been widely exposed.
The lesions may be treated using cryosurgery with liquid nitrogen or dermabrasion, treatments that should be performed by a skilled dermatologist.
- Actinic keratosis
- Solar lentigo