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Article in 0 | WPRIM | ID: wpr-831062

ABSTRACT

Purpose@#The presentations and geographic incidence of pediatric non-Hodgkin lymphoma (NHL) differfrom those of adults. This study delineated the characteristics and outcomes of pediatricNHL in East Asia. @*Materials and Methods@#Medical records of 749 pediatric patients with NHL treated at participating institutions inmainland China, Japan, Korea, and Taiwan from January 2008 to December 2013 werereviewed. Demographic and clinical features, survival outcomes, and putative prognosticfactors were analyzed. @*Results@#Five hundred thirty patients (71%) were male. The most common pathologic subtypes wereBurkitt lymphoma (BL) (36%). Six hundred seven patients (81%) had advanced diseases atdiagnosis. The 5-year overall survival and event-free survival (EFS) rates were 89% and 84%.The 5-year EFS rates of BL, lymphoblastic lymphoma, and diffuse large B-cell lymphomawere 88%, 88%, and 89%, and those of anaplastic large cell lymphoma (ALCL) and peripheralT-cell lymphoma (PTCL) were 71% and 56% (p 250 IU/mL), and advanced disease at diagnosis( stage III) were associated with poor outcomes (p < 0.05). ALCL and PTCL relapsedmore frequently than other pathologic subtypes (p < 0.001). @*Conclusion@#In East Asia, PTCL was more frequent than in Western countries, and bone marrow involvementdid not affect treatment outcome. This international study should motivate future collaborativestudy on NHL in East Asia.

2.
Article in Chinese | WPRIM | ID: wpr-241496

ABSTRACT

<p><b>OBJECTIVE</b>To summarize the clinical features of cytopenia with bone marrow hypoplasia in 100 children and to investigate an effective treatment regimen for myelodysplastic syndrome (MDS) in children.</p><p><b>METHODS</b>A retrospective analysis was performed on the clinical data of 100 children non-randomly selected from Japan and China who were diagnosed with cytopenia with bone marrow hypoplasia between 2006 and 2011. The data of patients from China were subjected to prognostic analysis.</p><p><b>RESULTS</b>There was no significant difference in the proportion of MDS cases and acquired aplastic anemia (AA) cases between the Japanese and Chinese children. Of the 100 patients, there were 29 cases of acquired AA, 58 cases of refractory cytopenia of childhood (RCC) and 13 cases of refractory cytopenia with multilineage dysplasia (RCMD). There were significant differences in reticulocyte absolute value in peripheral blood and degree of bone marrow proliferation among the three patient groups (P<0.05). The patients from China were followed up for 16-70 months (median, 41 months). After being treated with cyclosporine (CsA) combined with stanozolol, the patients with AA had response rates of 25% and 75%, the patients with RCC had response rates of 47.1% and 82.4%, and the patients with RCMD had response rates of 60% and 60% respectively at 3 and 6 months after treatment.</p><p><b>CONCLUSIONS</b>There are significant differences in reticulocyte absolute value in peripheral blood and degree of bone marrow proliferation among patients with RCC, RCMD and acquired AA. CsA combined with stanozolol has a good therapeutic efficacy in the treatment of acquired AA and hypoplastic MDS in children, but studies of more cases and a longer follow-up duration are needed.</p>


Subject(s)
Adolescent , Child , Child, Preschool , Female , Humans , Infant , Male , Anemia, Aplastic , Blood , Drug Therapy , Pathology , Bone Marrow , Pathology , Cyclosporine , Therapeutic Uses , Follow-Up Studies , Hematopoietic Stem Cell Transplantation , Myelodysplastic Syndromes , Blood , Drug Therapy , Pathology , Pancytopenia , Blood , Drug Therapy , Pathology
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