Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2020
[Association of cerebrospinal fluid status with prognosis in children with acute lymphoblastic leukemia].
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Yang Wen-Yu, Guo Ye, Chen Xiao-Juan, Liu Li-Peng, Liu Tian-Feng, Liu Fang, Ruan Min, Wang Shu-Chun, Zhang Li, Liu Xiao-Ming, Qi Ben-Quan, Chang Li-Xian, Zou Yao, Chen Yu-Mei, Zhu Xiao-Fan
Аннотация
OBJECTIVE: To study the clinical features of central nervous system infiltration-positive (CNSI+) children with acute lymphoblastic leukemia (ALL) based on flow cytometry, as well as the association of such clinical features with prognosis.
METHODS: A retrospective analysis was performed for the clinical data of 66 CNSI+ children with ALL treated from April 2008 to June 2013. Clinical features, laboratory examination results and prognosis were compared between the children in different chemotherapy stages (induction stage and consolidation/maintenance stage).
RESULTS: Among the 66 CNSI+ children, 50 were in the induction stage and 16 in the consolidation/maintenance stage. Compared with the CNSI+ children in the induction stage, the CNSI+ children in the consolidation/maintenance stage had a significantly higher proportion of children with the genes associated with good prognosis based on the results of molecular biology (P<0.05), as well as a significantly higher recurrence rate (P<0.05). Recurrence was observed in 21 CNSI+ ALL children, among whom 10 were in the induction stage and 11 were in the consolidation/maintenance stage. Compared with the children experiencing recurrence in the induction stage, the children experiencing recurrence in the consolidation/maintenance stage had a significantly higher proportion of children with recurrence of the central nervous system and bone marrow (P<0.05), as well as significantly higher proportion of biochemical positive rate of cerebrospinal fluid (P<0.05). The children in the induction stage had a significantly higher recurrence-free survival rate than those in the consolidation/maintenance stage (P<0.001), while there was no significant difference in overall survival rate between the two groups (P>0.05).
CONCLUSIONS: In children with ALL, CNSI+ has a marked effect on recurrence-free survival rate in different chemotherapy stages, but has no obvious effect on overall survival rate. CNSI+ patients in the consolidation/maintenance stage have a higher recurrence.
METHODS: A retrospective analysis was performed for the clinical data of 66 CNSI+ children with ALL treated from April 2008 to June 2013. Clinical features, laboratory examination results and prognosis were compared between the children in different chemotherapy stages (induction stage and consolidation/maintenance stage).
RESULTS: Among the 66 CNSI+ children, 50 were in the induction stage and 16 in the consolidation/maintenance stage. Compared with the CNSI+ children in the induction stage, the CNSI+ children in the consolidation/maintenance stage had a significantly higher proportion of children with the genes associated with good prognosis based on the results of molecular biology (P<0.05), as well as a significantly higher recurrence rate (P<0.05). Recurrence was observed in 21 CNSI+ ALL children, among whom 10 were in the induction stage and 11 were in the consolidation/maintenance stage. Compared with the children experiencing recurrence in the induction stage, the children experiencing recurrence in the consolidation/maintenance stage had a significantly higher proportion of children with recurrence of the central nervous system and bone marrow (P<0.05), as well as significantly higher proportion of biochemical positive rate of cerebrospinal fluid (P<0.05). The children in the induction stage had a significantly higher recurrence-free survival rate than those in the consolidation/maintenance stage (P<0.001), while there was no significant difference in overall survival rate between the two groups (P>0.05).
CONCLUSIONS: In children with ALL, CNSI+ has a marked effect on recurrence-free survival rate in different chemotherapy stages, but has no obvious effect on overall survival rate. CNSI+ patients in the consolidation/maintenance stage have a higher recurrence.