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1.
Journal of Experimental Hematology ; (6): 1896-1902, 2021.
Article in Chinese | WPRIM | ID: wpr-922220

ABSTRACT

OBJECTIVE@#To analyze the clinical characteristics and factors affecting prognosis in children with severe aplastic anemia (SAA).@*METHODS@#Two hundred and five children with SAA treated in our department from January 2008 to April 2018 were selected, and the clinical characteristics and factors affecting prognosis were retrospectively analyzed.@*RESULTS@#Among 205 SAA children, the effective rate (CR+PR) at 3, 6 and 12 months after immunosuppressive therapy (IST) treatment was 50.9%, 59.0% and 73.9%, respectively, and 5-year overall survival rate was 93.1%±2.0%. Univariate analysis showed that 5-year overall survival rate of SAA children of spontaneous delivery was higher than that of cesarean section (P=0.039), while multivariate analysis showed that birth way had no significant influence on 5-year overall survival rate (P>0.05). The response rate at 3 months after IST of children with a recent history of decoration before SAA onset was higher than those without history of decoration (P<0.05).@*CONCLUSION@#Most of the SAA children can achieve high response rate and overall survival rate. Patients with recent history of home/school decoration may be the factor affecting hematological response after 3 months of IST, but have no influence on long-term overall survival.


Subject(s)
Anemia, Aplastic , Cesarean Section , Child , Female , Humans , Immunosuppressive Agents , Pregnancy , Prognosis , Retrospective Studies , Treatment Outcome
2.
Article in Chinese | WPRIM | ID: wpr-828674

ABSTRACT

OBJECTIVE@#To study the clinical features and prognosis of core binding factor acute myeloid leukemia (CBF-AML) in children.@*METHODS@#A retrospective analysis was performed from the chart review data of children who were newly diagnosed with CBF-AML in the Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences, from August 2009 to November 2015. According to the type of fusion gene, the children were divided into CBFB-MYH11 and AML1-ETO groups. Clinical features and prognosis were analyzed and compared between the two groups.@*RESULTS@#A total of 91 children with CBF-AML were enrolled in this study, among whom there were 74 (81%) in the AML1-ETO group and 17 (19%) in the CBFB-MYH11 group. Additional chromosomal abnormalities were observed in 38 children (42%), and deletion of sex chromosome was the most common abnormality and was observed in 28 children (31%). After the first course of induction treatment, the complete remission rate was 97% (88/91), the recurrence rate was 29% (26/91), the 5-year event-free survival (EFS) rate was 65%±6%, and the 5-year overall survival (OS) rate was 75%±5%. There were no significant differences between the AML1-ETO and CBFB-MYH11 groups in 5-year EFS rate (62%±7% vs 77%±11%, P>0.05) or 5-year OS rate (72%±6% vs 88%±9%, P>0.05).@*CONCLUSIONS@#AML1-ETO is the main type of fusion gene in children with CBF-AML, and deletion of sex chromosome is the most common type of additional chromosomal abnormalities. Children with CBF-AML often have a good prognosis, and the children with AML1-ETO have a similar prognosis to those with CBFB-MYH11.


Subject(s)
Child , Core Binding Factor Alpha 2 Subunit , Core Binding Factors , Humans , Leukemia, Myeloid, Acute , Oncogene Proteins, Fusion , Prognosis , RUNX1 Translocation Partner 1 Protein , Retrospective Studies
3.
Article in Chinese | WPRIM | ID: wpr-774051

ABSTRACT

OBJECTIVE@#To study the clinical features of Wiskott-Aldrich syndrome (WAS) in children.@*METHODS@#A retrospective analysis was performed for the clinical data of 13 children with WAS.@*RESULTS@#All 13 children were boys, with a median age of onset of 3 months (range 1-48 months) and a median age of 24 months (range 1-60 months) at the time of diagnosis. Of the 13 children, only 3 had typical WAS and the remaining 10 children had X-linked thrombocytopenia (XLT). The mean WAS score was 2 (range 1-3), the mean platelet count was 20.5×10/L [range (13-46)×10/L], and the mean platelet volume was 8.1 fl (range 6.7-12.1 fl). Lymphocyte subsets and immunoglobulins were measured for 4 children, among whom 1 (25%) had a reduction in both the percentage of CD3T cells per lymphocyte and lymphocyte per nuclear cells, 1(25%) had a reduction in CD3CD56 NK cells. Among these 4 children, 1 (25%) had an increase in IgG, 2 (50%) had a reduction in IgM, 1 (25%) had a reduction in IgA, and 4 (100%) had an increase in IgE. A total of 14 gene mutations belonging to 13 types were found in 13 children, among which there were 9 missense mutations (65%), 2 splicing mutations (14%), 2 nonsense mutation (14%), and 1 frameshift mutation (7%). The median follow-up time was 39 months (range 3-62 months), and all 13 children survived.@*CONCLUSIONS@#Children with WAS often have a young age of onset, and most of them are boys. Major clinical features include thrombocytopenia with a reduction in platelet volume. Missense mutation is the main type of gene mutation.


Subject(s)
Child, Preschool , Humans , Infant , Male , Mutation , Retrospective Studies , Thrombocytopenia , Wiskott-Aldrich Syndrome , Wiskott-Aldrich Syndrome Protein
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