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Pityriasis Alba
The nonpruritic hypopigmented lesions on this 13-year-old girl's cheeks are characteristic of pityriasis alba, which typically occurs in children of both sexes between the ages of 3 and 16 years.
The nonpruritic hypopigmented lesions on this 13-year-old girl's cheeks are characteristic of pityriasis alba, which typically occurs in children of both sexes between the ages of 3 and 16 years. The lesions are generally limited to the face, especially the cheeks, and are more prominent and noticeable in dark-skinned persons. There is an increased incidence in patients with atopy. Pityriasis alba is distinguishable from vitiligo by virtue of its nondiscrete margins and the presence of some melanin on Wood's light examination.
Pityriasis alba is generally a self-limited condition that often lasts 2 to 3 years; the prognosis is good. The effectiveness of topical hydrocortisone or tar-paste treatment is variable.
FOR MORE INFORMATION:
- Leung AKC, Feingold M. Pityriasis alba. Am J Dis Child. 1986;140:379-380.
- Dhar S, Kanwar AJ, Dawn G. Pigmenting pityriasis alba. Pediatr Dermatol. 1995;12:197-198.
Atopic Dermatitis: The Pipeline and Clinical Approaches That Could Transform the Standard of Care
September 24th 2025Patient Care tapped the rich trove of research and expert perspectives from the Revolutionizing Atopic Dermatitis 2025 conference to create a snapshot of the AD care of the future.
