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Congenital linear whitish papules in a 3-year-old boy

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Unknown: Congenital linear whitish papules in a 3-year-old boy
Emiliano Grillo1 MD, Bibiana Pérez1 MD, Sergio Vano-Galván1 PhD, Rosario Carrillo2 MD, Pedro Jaén1 PhD
Dermatology Online Journal 19 (3): 9

1. Department of Dermatology
2. Department of Pathology
Ramón y Cajal University Hospital, Madrid, Spain

Figure 1 Figure 2

Figure 3 Figure 4

A healthy 3-year-old boy came to our department for a linear asymptomatic eruption that had been present since he was born. He had been unsuccessfully treated with topical steroids. On physical examination, we found numerous tiny whitish flat-topped papules on the anterior trunk with a linear distribution and a few similar lesions on the elbows (Figures 1 and 2). The oral mucosa, palms, soles, and nails were spared. A biopsy was taken from one of the papules on the anterior trunk. The histology slides are shown in Figures 3 and 4. The condition remained unchanged after 6 months of follow-up.

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