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The analysis of prognosis-associated factors in adults with acute promyelocytic leukemia / 中华血液学杂志
Chinese Journal of Hematology ; (12): 592-596, 2017.
Article in Chinese | WPRIM | ID: wpr-809050
Responsible library: WPRO
ABSTRACT
Objective@#To explore the prognostic value of CD34, CD2, CD56 expressions and FLT3-ITD mutation in adults with acute promyelocytic leukemia (APL) .@*Methods@#The immuno-phenotypic and molecular characteristics of 137 adult patients with APL (from January 2010 to March 2016, in Henan Provincial People’s Hospital) were investigated. And the relationships between CD34, CD2, CD56 expressions, FLT3-ITD mutation and the outcomes of high WBC counts at onset, complete remission (CR) rate, early mortality, relapse rate (RR) , overall survival (OS) , disease free survival (DFS) were explored.@*Results@#①Among the 137 patients, the positive ratios of CD34, CD2, CD56 expressions and mutation rate of FLT3-ITD were 26.3%, 25.5%, 10.2% and 17.5%, respectively. The morbidities of positive CD34, CD2, CD56 expressions and FLT3-ITD mutation in the high-risk group were 43.2%, 47.7%, 18.2% and 27.3% respectively, while those in the low-/intermediate-risk groups were 18.3%, 15.1%, 6.5% and 12.9%, respectively (P<0.05) . ②At a median follow-up of 41 months, the total CR rate of the 137 adults APL patients was 96.9%, early mortality 6.6% and relapse rate 7.3% respectively. And RR of positive CD34 or CD2 expression patients was higher than negative CD34/CD2 expression ones (18.8% vs 3.3%, χ2=8.462, P=0.004; 16.1% vs 4.3%, χ2=4.382, P=0.028, respectively) . In addition, the early mortality of patients with positive CD56 expression or FLT3-ITD mutation was extremely higher than in negative ones (21.4% vs 4.9%, χ2=5.610, P=0.018; 16.7% vs 4.4%, χ2=4.833, P=0.028, respectively) . ③The whole OS and DFS were 88.3% and 84.7%, respectively. Wherein, OS and DFS in patients with CD34+, CD56+ or FLT3-ITD mutation were worse (P<0.05) .@*Conclusions@#Positive CD34, CD2, CD56 expression and FLT3-ITD mutation were latent poor prognostic factors in adults with APL.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Hematology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Hematology Year: 2017 Type: Article