Figure 3.

A 47-year-old female with left parieto-occipital anaplastic astrocytoma previously treated with surgery, radiotherapy, and chemotherapy; scans performed 48 months after the primary treatment. Single photon emission computed tomography-computed tomography (a) could not detect any abnormality while positron emission tomography-computed tomography (b) revealed diffuse fluorodeoxyglucose uptake in the left parieto-occipital region. The patient underwent reoperation. Histopathology revealed radiation necrosis