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Dermatology clinic

A 6-month-old boy with a vesicular rash

PHILIPPA DICKISON, Gayle Fischer

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Abstract

Test your diagnostic skills in our regular dermatology quiz. What is the cause of these small vesicles, which initially appeared as pink macules?

Article Extract

Case presentation

A 6-month-old boy presents with a rash that has developed and evolved over the past six days. His mother says that he has been increasingly ‘clingy’ and is eating less, especially less solid food, but he has not been febrile. He has a history of atopic dermatitis, which is well controlled with topical corticosteroids.

On examination, small vesicles are noted on the child’s face (Figure 1a) as well as on the soles of his feet and the palmar and dorsal surfaces of his hands (Figure 1b). His mother says that each of the vesicles initially appeared as a pink macule.

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