| unusual osseous presentation of blastomycosis in an immigrant child: a challenge for european pediatricians. | blastomycosis, caused by the thermally dimorphic fungus blastomyces dermatitidis is a systemic pyogranulomatous infection, endemic in united states and canada, with few reported cases in africa and asia. it is uncommon among children and adolescents, ranging from 3% to 10%. clinical features vary from asymptomatic spontaneously healing pneumonia, through acute or chronic pneumonia, to a malignant appearing lung mass. blastomycosis can originate a "metastatic disease" in the skin, bones, genitour ... | 2012 | 23228191 |