Gallbladder activity on sodium fluoride positron emission tomography/computed tomography bone scan
Ismet Sarikaya1, Abdelhamid H Elgazzar1, Mahmoud A Alfeeli2
1Department of Nuclear Medicine, Faculty of Medicine, Kuwait University, Safat, Kuwait.
Abstract:
We incidentally identified gallbladder activity on 18F sodium fluoride (NaF) positron emission tomography/computed tomography (PET/CT) bone images in five patients. Variable degree of bowel activity is usually seen on NaF PET/CT images, and its mechanism is unknown. Gallbladder activity in our cases may indicate that hepatobiliary excretion of the 18F NaF is the reason for bowel activity on NaF PET/CT images. However, excretion of radiotracer through bowel may also contribute to the bowel activity.
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