PET/CT is a noninvasive test that physicians utilize to stage the body for the presence or absence of active tumor, localize the tumor, assess the tumor response to treatment and detect recurrence in treated lesions.
PET/CT Utilization for Brain Tumor
Diagnosing, characterizing and grading before treatment
Diagnosing, characterizing and grading of possible recurrence
Assessing the extent of tumor for treatment planning
Excluding brain metastatic disease
Differentiating benign from malignant tumors
Monitoring treatment response
Differentiating recurrence from radiation necrosis or scar tissue
Source: Atlas of Clinical Positron Emission Tomography by Sallie F. Barrington, Michael N. Maisey and Richard R. Wahl. Oxford University Press, Inc. New York, NY. 2006.