Normal Variant 18F-Sodium Fluoride Uptake in the Falx Cerebri Ossification

We report a case of a 46-year-old woman with breast cancer complaining of back pain. 18F-NaF PET/CT images show focal increase uptake at facet joints of L5/S1 vertebrae and both knees joints, suggesting degenerative disease. There is normal variant 18F-NaF uptake noted in the ossification at the falx cerebri. Recognition of normal and abnormal extraosseous 18F-NaF uptake is important for correct interpretation to avoid unnecessary further investigations.
Source: Clinical Nuclear Medicine - Category: Nuclear Medicine Tags: Interesting Images Source Type: research