الفهرس 
PET/CT in Mediastinal Lymphadenopathy; Merits and Pitfalls
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Abstract
The traditional noninvasive examinations, chest computed tomography (CT) and magnetic resonance imaging (MRI) are the standard imaging modalities for assessment of mediastinal lymph nodes. However, MRI spatial resolution is relatively poor due to the presence of the air in the lungs, and the calcification of lymph nodes is often ignored by MRI. CT could detect lesions, but it is also difficult to obtain the differential diagnosis of benign and malignant lymph nodes (Kumar et al., 2011).
Positron emission tomography/computed tomography (PET/CT), integrating morphological imaging with functional imaging, is a noninvasive imaging method that can be used in the assessment of mediastinal lymphadenopathy. (Gallamini et al., 2014).
In the PET imaging analysis, standard uptake value (SUV), as a semi- quantitative data, points off the degree of metabolic activity (aerobic glycolysis) in selected tissues (Yu et al., 2018).