Abbreviations: ALL , acute lymphoblastic leukemia; AML , acute myeloid leukemia; ANC , absolute neutrophil count; BMT , bone marrow transplantation;ESS , endoscopic sinus surgery; PCR , polymerase chain reaction; SD, standard deviation
* Two patients were diagnosed with more than one underlying disease
† Other diagnoses included aplastic anemia, lymphomas, severe combined immunodeficiency, hemophagocytic lymphohistiocytosis and Wilm’s tumor.
‡ Risk to develop invasive fungal disease according to the European Conference on Infections in Leukemia (reference 14).