Abstract:
:To distinguish the similarities or differences between T-cell acute lymphoblastic leukaemia (T-ALL) and T-cell lymphoblastic lymphoma (T-LBL), we retrospectively analyzed the clinical, immunophenotypic, cytogenetic, and molecular characteristics in 37 children diagnosed between December 1990 and December 2003. Comparative Expressed Sequence Hybridisation (CESH) was used to determine gene expressing profile in both diseases. Twenty two patients suffered from T-ALL and 15 patients were diagnosed as T-LBL. Immunophenotyping demonstrated a more immature phenotype in T-ALL and a more mature phenotype in T-LBL. Cytogenetic and molecular genetic aberrations were found in 82% of T-ALL compared with 73% of T-LBL. By CESH gene expression profiling, the investigated cases were segregated into two groups that largely corresponded with T-ALL and T-LBL. The clinical presentation and cytogenetic characteristics are largely similar for T-ALL and T-LBL supporting the concept that both represent a spectrum of one single disease. The differences that were found between both neoplasms, in particular in their phenotype and in their expression profile may suggest that most T-ALL derive from a T-cell progenitor of the bone marrow, while thymocytes represent the normal counterpart of T-LBL.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Uyttebroeck A,Vanhentenrijk V,Hagemeijer A,Boeckx N,Renard M,Wlodarska I,Vandenberghe P,Depaepe P,De Wolf-Peeters Cdoi
10.1080/10428190701509772subject
Has Abstractpub_date
2007-09-01 00:00:00pages
1745-54issue
9eissn
1042-8194issn
1029-2403pii
781801919journal_volume
48pub_type
杂志文章abstract::Factors associated with failure of antifungal therapy were examined in 42 cancer patients with fusariosis (1987-1997). Thirty-six patients (86%) had leukemia and 39 (93%) were neutropenic. Disseminated infection was the most common presentation. The majority (83%) received amphotericin B-based therapy. Thirty patients...
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