Photoexposure and risk factors for skin cancer: an evaluation of behaviors and knowledge among university students.

Background: Skin cancer is the most common neoplasm in Brazil. It is extremely important to understand the attitudes that influence protection from and exposure to the sun's ultraviolet rays in order to prevent this clinical condition.

Objectives: To evaluate photoexposure and photoprotection habits and knowledge of risk factors for skin cancer, with the purpose of describing behavioral patterns of university students in relation to the effects of the sun.

Two therapeutic challenges: periocular and genital vitiligo in children successfully treated with pimecrolimus cream.

Vitiligo is characterized by the selective destruction of melanocytes resulting in patches of skin depigmentation. Vitiligo is a therapeutic challenge. Eyebrows, eyelids and genital vitiligo are a therapeutic dilemma, especially in children.