%0 Journal Article %T Neumon¨ªa por Legionella en pacientes con leucemia. Presentaci¨®n de dos casos %A BETANCUR JIM¨¦NEZ %A CARLOS ALBERTO %A LEMA %A MAURICIO %A ARCILA %A GIOVANNA %J CES Medicina %D 2011 %I Universidad CES %X we present two cases of patients with lymphoblastic leukemia; the first one is been treated with chemotherapy (hypercvad) and the second is in a relapse with idaflag, both, in neutropenia phase developed pneumonia acquired in the hospital with pneumonic consolidation, high fever and few respiratory symptoms. legionella urinary antigen serogroup 1 was positive for the immunechromatography technique. specific treatment with macrolides was given and the symptoms were solved %K pneumon¨ªa %K atypical bacteria %K legionella %K leukemia %K neutrophenia. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0120-87052011000200009&lng=en&nrm=iso&tlng=en