F-FDG positron emission tomography (PET)/computed tomography (CT) findings and the prognostic value of metabolic parameters in children and adolescents with anaplastic large cell lymphoma (ALCL).
Methods:
Twenty-four newly diagnosed children with ALCL (19 males
5 females
ages 3-20 years) were included in this retrospective study. Clinic-pathological variables and
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F-FDG PET/CT metabolic parameters including maximum standardized uptake value (SUVmax)
mean standardized uptake value (SUVmean)
whole-body metabolic tumor volume (MTV)
total lesion glycolysis (TLG) were reviewed. Two sample t test
Mann-Whitney U test and
2
test were used to compare the clinical parameters
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F-FDG PET/CT metabolic parameters of children with different phenotypes of ALCL.
Results:
The median follow-up period was 39 months
3 children died and 4 recurred. Among the 24 children with ALCL
15 cases were accompanied by B symptoms in the first diagnosis
and 9 cases were not accompanied by B symptoms in the first diagnosis. The median maximum standardized uptake value (SUVmax) was 28.68(15.61-32.87)in the children with symptoms B
and 27.15(17.71-35.40)in the children without B symptoms. There was no statistically significant difference in
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F-FDG metabolism between the two phenotypes of ALCL (P 0.05).The value of white blood cell (WBC) was statistically correlated with overall survival (OS). Metabolic tumor volume (MTV)
Bone marrow SUVmax and C-reactive protein (CRP) were statistically correlated with progression-free survival (PFS). Other clinical baseline features
laboratory indexes
and
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F-FDG PET/CT quantitative indicators were not associated with OS/PFS in univariate analysis. In addition
when the cl
inical baseline features
laboratory indexes
and
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F-FDG PET/CT quantitative indicators were combined with OS/PFS for multivariate analysis
none of the parameters were statistically significant.
Conclusion:
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F-FDG PET/ CT can indicate the extent and metabolic activity of ALCL. CRP
the value of WBC
MTV and bone marrow SUVmax have certain predictive value for disease progression in children with ALCL
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Related Author
ZHOU Xin
ZHU Yunkai
GUAN Wenbin
CHEN Yaqin
SHEN Zhiyun
Yi CHEN
Ming LIU
Wenbin GUAN
Related Institution
Department of Pathology, Shanghai Jiao Tong University School of Medicine Affiliated Xinhua Hospital
Department of Ultrasound, Shanghai Jiao Tong University School of Medicine Affiliated Xinhua Hospital
Department of Pediatric Neurosurgery, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Department of Pathology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Department of Radiology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine