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Is imaging the extremities with PEM feasible? A novel application for a high-resolution positron emission scanner
Sania Rahim1, Osama Mawlawi1, Shree Taylor1
1Division of Diagnostic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Introduction:
Positron emission mammography (PEM) has better spatial resolution than positron emission tomography/computed tomography (PET/CT), or PET/CT. We evaluated the feasibility of extremity imaging with PEM using PET as a standard.
Methods/Materials:
Fourteen patients underwent sequential PET/CT and PEM.
Results/Discussion:
PEM visualized with equal or improved resolution all of the lesions identified on PET/CT. It often provided additional information such improved uptake localization and also visualized activity in an adjacent structures that was not seen on PET/CT or magnetic resonance imaging. We believe PEM can image the extremities in diseases like melanoma, arthritis and osteomyelitis and patients with metallic hardware.
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