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Ophthalmologic abnormalities on FDG-PET/CT: a pictorial essay
Razi Muzaffar1, Mohamed A Shousha, Lejla Sarajlic
1Department of Radiology, Division of Nuclear Medicine, St Louis University, Saint Louis, MO 63110, USA.
Abstract:
Positron emission tomography (PET) using [(18)F]-2-deoxy-d-glucose (FDG) diagnoses, stages, and restages many cancers and is often better than anatomic imaging alone. However, abnormalities within the orbit present a challenge in evaluation, mainly due to the subtle findings on PET/computed tomography (CT). In addition, this region is typically at the edge of the field of view for the standard base of skull to upper thigh FDG-PET/CT scans. The aim of this pictorial essay is to illustrate several subtle and apparent abnormalities within the orbit that can have a profound impact on patient management and follow-up.
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