Abstract
Positron emission tomographic (PET) scanning with a near-simultaneous computedtomography(CT)scan(ie, integrated PET-CT scan) is the preferred imaging modality for staging lymphomas. PET scanning detects Hodgkin lymphoma as well as the aggressive and most indolent non-Hodgkin lymphomas. PET-CT has become the standardof care for assessment of remission in patients with [F]fluorodeoxyglucose (FDG)-avid lymphomas, including Hodgkin lymphoma. The use of PET-CT scans for restaging is not without pitfalls. Although the sensitivity of a PET scan is nearly 100%, the positive predictive value is lower. We report the case of a woman with a history of Hodgkin lymphoma who was noted to have new lymphadenopathy in a restaging scan, implying progression of the disease. However, on further workup, it was determined that this was not the case.
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