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The importance of minimal residual disease detection has increased due to the advanced therapeutic protocols available for multiple myeloma and acute leukaemia. High-dose chemotherapy, followed by stem cell transplantation is often used in patients with multiple myeloma. But despite a longer disease-free period and overall survival, all patients relapse. In(More)
Hantavirus infection due to Puumala virus causes nephropathica epidemica, a disorder characterized by fever, haematological abnormalities, mild renal dysfunction and ophthalmological abnormalities. The prevalence in most European countries is low, but the virus can be endemic. In children, hantavirus infection is rare. This paper describes a young girl(More)
The first EORTC (European Organization of Research and Treatment of Cancer) acute myeloblastic leukemia (AML) pilot study (58872) was conducted between January 1988 and December 1991. Out of 108 patients, 78% achieved complete remission (CR), and event-free survival (EFS) and survival rates (s.e., %) at 7 years were 40 (5) and 51% (6%), respectively. It(More)
The analysis of individuals with severe congenital neutropenia (SCN) may shed light on the delicate balance of factors controlling the differentiation, maintenance and decay of neutrophils. We identify 9 distinct homozygous mutations in the JAGN1 gene encoding Jagunal homolog 1 in 14 individuals with SCN. JAGN1-mutant granulocytes are characterized by(More)
BACKGROUND AND METHODS The implications of the detection of residual disease after treatment of acute lymphoblastic leukemia (ALL) are unclear. We conducted a prospective study at 11 centers to determine the predictive value of the presence or absence of detectable residual disease at several points in time during the first six months after complete(More)
BACKGROUND Neutrophils are the predominant phagocytes that provide protection against bacterial and fungal infections. Genetically determined neutrophil disorders confer a predisposition to severe infections and reveal novel mechanisms that control vesicular trafficking, hematopoiesis, and innate immunity. METHODS We clinically evaluated seven children(More)
Familial hemophagocytic lymphohistiocytosis (FHL) is caused by genetic defects in cytotoxic granule components or their fusion machinery, leading to impaired natural killer cell and/or T lymphocyte degranulation and/or cytotoxicity. This may accumulate into a life-threatening condition known as macrophage activation syndrome. STXBP2, also known as MUNC18-2,(More)
BACKGROUND Intensive chemotherapy has markedly improved the survival of children with acute lymphoblastic leukaemia (ALL) or lymphoblastic lymphoma (LL). Evaluation of late effects and analysis of factors contributing to their occurrence has become of major importance. Second neoplasm (SN) belongs to the most severe late events. PROCEDURE We report the(More)