History: A 6 year old boy presented with patches of hypopigmentation on the trunk and extremities since one year's of age. It was occasionally pruritic. He is otherwise well and has no history of fever or other constitutional symptoms. There was no family history of similar problem and no personal or family history of atopy.
Examination showed the skin was quite dry. Multiple irregular patches of hypopigmentation 2-4 cm diameter were distributed over the back of trunk involving both the lower back extending to the gluteal areas, the arms and anterior chest wall. Sensation was normal in the affected areas.
Pathology: Biopsy not performed as yet.
Diagnosis: ? Progressive Macular Hypopigmentation ? Pityriasis Alba
Questions: Have you seen this in a young child?? What is your diagnosis and therapeutic recommendations.
Progressive macular hypomelanosis: an overview.
Relyveld GN, Menke HE, Westerhof W.
Am J Clin Dermatol. 2007;8(1):13-9.
The Netherlands Institute for Pigment Disorders, Academic Medical Center,
University of Amsterdam, Amsterdam, The Netherlands.