الفهرس 
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Abstract
Lymphomas are a heterogeneous group of malignancies that can be divided into two main groups: Hodgkin’s (HL) and non-Hodgkin (NHL). They can also be grouped as indolent (low grade) and aggressive (intermediate or high grade) tumors.
Once the diagnosis HD or NHL has been established by biopsy of a particular site, determination of disease extent (staging) is important for appropriate treatment planning and determining prognosis.
Integrated positron emission tomography (PET) and computed tomography (CT) performed with fluorine 18 (18F) fluoro-deoxyglucose (FDG) has been increasingly used in evaluation of oncology patients due to its high sensitivity in detection of malignancy as PET/CT can demonstrate malignancy before morphologic changes are evident due to its ability to visualize glucose metabolism in living human tissues.
This work aims at adding further evidence to the pool of studies available in the literature which might encourage the use of PET/Ct as the imaging modality of choice in the baseline staging of lymphoma .