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18Fluorine-fluorodeoxyglucose PET/CT Imaging in Childhood Malignancies

Authors
  • Bıçakçı, Nilüfer1
  • Elli, Murat2
  • 1 University of Health Sciences Turkey, Samsun Training and Research Hospital, Clinic of Nuclear Medicine, Samsun, Turkey
  • 2 İstanbul Medipol University Faculty of Medicine, Department of Pediatric Oncology, İstanbul, Turkey
Type
Published Article
Journal
Molecular Imaging and Radionuclide Therapy
Publisher
Galenos Publishing
Publication Date
Feb 09, 2021
Volume
30
Issue
1
Pages
18–27
Identifiers
DOI: 10.4274/mirt.galenos.2020.64436
PMID: 33586403
PMCID: PMC7885281
Source
PubMed Central
Keywords
Disciplines
  • Original Article
License
Green

Abstract

Objectives: The aim of the study was to evaluate the utility of 18fluorine-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) in the diagnosis, staging, restaging, and treatment response of childhood malignancies. Methods: This study included 52 patients (32 boys, 20 girls) who were referred to our clinic between November 2008 and December 2018 with the diagnosis of malignancy. The patients were evaluated retrospectively. Median age of the patients was 13 years (range 2-17). 18F-FDG was given to the patients intravenously, and time of flight with PET/16 slice CT was performed 1 hour thereafter. The lowest dose was 2 mCi (74 MBq) and the highest dose was 10 mCi (370 MBq). Fasting blood sugars of all patients were found below 200 mg/dL (11.1 mmol/L). Results: 18F-FDG PET/CT was performed to evaluate the response to treatment in 38 of 52 children, staging in 11 patients (staging and evaluation of the response to treatment in nine of them), restaging in 2 patients, restaging, and evaluation of the response to treatment in 1 patient. 18F-FDG PET/CT examination was reported as normal in 13 patients (5 girls, 8 boys). The pathological 18F-FDG uptake was detected in 39 patients (14 girls, 25 boys), which indicated metastasis and/or recurrence of the primary disease. Total number of deaths was 30 (13 girls, 17 boys). Conclusion: 18F-FDG PET/CT has a significant role for staging, restaging, treatment response, and detection of metastatic disease but it is limited for the early diagnosis of childhood cancers

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