ABSTRACT Osteonecrosis of the hard palate is rare. Here, we demonstrated the dynamic metabolic and structural changes during the process of osteonecrosis of the hard palate by serial 18F-FDG PET/CT… Click to show full abstract
ABSTRACT Osteonecrosis of the hard palate is rare. Here, we demonstrated the dynamic metabolic and structural changes during the process of osteonecrosis of the hard palate by serial 18F-FDG PET/CT scans in a patient with nasal NK/T-cell lymphoma. On the baseline scan, increased FDG uptake in the periphery of the hard palate could be observed. On the following scans after treatment, a focal metabolic defect on the hard palate with no structural changes and with bone sequestration and perforation have been observed successively. Our case indicates that the metabolic defect on 18F-FDG PET/CT may be an early sign of osteonecrosis.
               
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