PET/CT Molecular Imaging
Positron Emission Tomography (PET) and Computed Tomography (CT) imaging have become essential diagnostic tools physicians use to reveal the presence and severity of cancers. PET/CT imaging helps physicians detect cancer, evaluate the extent of disease, select the most appropriate treatments, determine if the therapy is working, and detect any recurrent tumors. Before a PET/CT scan is performed, the patient receives an intravenous injection of radioactive glucose.
PET/CT scanner is a hybrid device that includes a single patient table for acquiring a PET scan and CT scan in sequential fashion. If the patient stays reasonably immobile between the scans, the PET and CT data are aligned and can be accurately fused.
PET/CT acquisitions is the extent of imaging that can be tailored to suit the specific indications, such as skull to mid-thighs. The following fields of view are typically what you see: Whole body from skull vertex through feet, Skull base to mid-thighs, or Limited to a limited region.
FDG-PET is a scintigraphic technique that provides information about glucose metabolism in the body and is a sensitive method for detecting, staging, and monitoring the effects of therapy for many malignancies. Computed tomography (CT) uses an external source of radiation to produce 3-D images that demonstrate the size, shape, and composition of organs and abnormalities within the body.
Procedure Descriptions
- Whole body from skull vertex through feet
- Skull base to mid-thighs
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