Pityriasis (tinea) versicolor is a benign, superficial, common fungal infection localized to the stratum corneum.
It occurs most commonly in postpubertal individuals when the sebaceous glands are the most active.
Facial involvement is common in adolescents, but lesions are also found on the upper trunk, neck, arms, dorsum of the hand and pubis.
Patient presents with erythematous, hypo- or hyperpigmented macules or patches that may have a slight scale.
It is caused by the lipophilic yeast Malassezia furfur.
Teens with severe obesity need not wait until they are adults to undergo Roux-en-Y gastric bypass, with 5-year follow-up data from a recent study showing that the bariatric procedure leads to substantial weight loss that is similar in magnitude in adolescents and adults.