%0 Journal Article %T Placas m¨¢culonoduliformes hiperpigmentadas pruriginosas en ni£¿o de dos a£¿os de edad %A P¨¦rez-Elizondo %A AD %A L¨®pez Valent¨ªn %A E %A Pineda-Pineda %A JA %J Revista argentina de dermatolog£¿-a %D 2011 %I Scientific Electronic Library Online %X a 2-year old male patient with multiple nodular and brownish itchy macules and patches, located at the back of the trunk was received medical attention at a children¡äs hospital. frequent flares and incomplete remissions with blister and weal outbreaks after sun exposure and hot water baths were the rule. the distinctive cutaneous lesions as well as histopathological findings confirm urticaria pigmentosa. %K mastocytosis %K urticaria pigmentosa. %U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S1851-300X2011000400003&lng=en&nrm=iso&tlng=en