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Abstract
Malignant pediatric lymphoma accounts for 10 - 15% of all pediatric cancers, (representing 2 - 3% of all malignancies, with a peak incidence between 5 - 9 years. Chemotherapy is usually the first and most common mode of treatment. The choice of treatment and prediction of prognosis depend on the histological type of tumor, initial staging, evaluating treatment response, and detection of early recurrence. Conventional imaging modalities have many limitations. Compared to CT, PET/CT has much higher sensitivity and specificity in the initial diagnosis, assessment of response to therapy and routine surveillance of pediatric lymphoma patients