• Sana Naveed, Hira Faheem, Kashif Shazlee, and Muhammad Shamvil Ashraf.
• Sana Naveed, FCPS Department of Pediatric Hematology/Oncology, Indus Hospital and Health Network, Karachi, Pakistan.
• Pak J Med Sci. 2023 Nov 1; 39 (6): 183018341830-1834.

ObjectiveTo determine diagnostic accuracy of 18F-FDG PET - CT imaging in determining Bone marrow involvement in pediatric HL by taking bone marrow biopsy as standard.MethodThis descriptive cross-sectional study was conducted in the Department of Pediatric Hematology/Oncology, Indus Hospital and Health Network, Karachi from July 2021 to December 2022. Treatment naïve histologically proven pediatric HL patients of both gender and aged between two to 16 years with both 18F-FDG PET - CT and bone marrow biopsy imaging were included. Basic demographics such as age, gender, height, weight, as well as classification and staging of HL was obtained. Results were assessed by expert reviewers who were blinded to clinical outcome. Sensitivity, specificity, positive and negative predictive value, and diagnostic precision were assessed. The data was analyzed via SPSS 26.0.ResultsTotal 131 participants were included with a male predominance i.e. 104 (79.6%). The mean (±SD) age was 8.7 ± 3.4 years. The present study reported PET/CT to have a sensitivity, specificity diagnostic accuracy, PPV and NPV of 94.1%, 92%, 92%, 64% and 99% respectively.ConclusionOur findings support the idea that BMB should not be routinely conducted in all patients but rather can be reserved exclusively for patients with dubious 18F-FDG bone marrow findings, as this test has strong diagnostic potential for evaluating BMI involvement in HL.Copyright: © Pakistan Journal of Medical Sciences.

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