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THE QUARTERLY JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING

A Journal on Nuclear Medicine and Molecular Imaging


A Journal on Nuclear Medicine and Molecular Imaging
Affiliated to the Society of Radiopharmaceutical Sciences and to the International Research Group of Immunoscintigraphy
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The Quarterly Journal of Nuclear Medicine and Molecular Imaging 2014 Apr 01

language: English

Role of 18F-FDG-PET/CT in assessment of pediatric Hodgkin’s lymphoma

Kamal N. M. 1, El-Saban K. 2

1 Pediatric Department, Faculty of Medicine, Cairo University and Pediatric Consultant, Al Hada Forced Arm Hospital, Taif, Saudia Arabia;
2 Nuclear Medicine Department, Faculty of Medicine, Cairo University, and Medical Imaging Department, Faculty of Medicine, Taif University


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AIM: To assess the prognostic role of interim 18FFDGPET/CT in pediatric patients with Hodgkin's lymphoma (PHL).
METHODS: Prospective analysis of 254 Saudi patients with pathologically proven PHL, they underwent interim 18F-FDG-PET/CT after 2 cycles of ABVD with baseline study, analysis of interim 18F-FDG-PET/CT was done visually according to the Deauville score (5-point score) as well as semi-quantitative analysis using maximum standardized uptake value (SUVmax), average SUV (SUVmean2.5 and SUVmean40). The parameters were calculated as absolute values and as percentages of difference between the initial and the interim hottest residual lesion. Follow-up was done for period of 2.9 years (range, 0.9 to 5.2 years). clinical outcomes were obtained from medical records.
RESULTS: two hundred and twenty out of 254 children showed PET-ve interim while 34 were still PET+ve. Univariate analysis showed that the risk stratification, qualitative analysis of interim 18F-FDG-PET/CT were significant predictors for total actuarial survival (TAS) and disease free survival (DFS). Among the semiquantitative parameters, ΔSUVmean2.5 has the highest hazard ratio. In multivariate analysis, the current study revealed that the three above factors were important prognostic factors that can predict TAS and DFS. However, visual assessment of interim PET canceled the prognostic impact of ΔSUVmean2.5.
CONCLUSION: visual assessment of early interim 18F-FDG-PET/CT after 2 cycles of ABVD in PHL showed a very significant role in prediction ofTAS and DFS.

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Kelsaban@gmail.com