St. Joseph Hospital of Orange
1100 West Stewart Dr, Orange, CA 92868714.633.9111
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PET Scan

Positron emission tomography (PET) scan is one of the newest imaging technologies and allows molecular or metabolic imaging. Most often, it is used in cancer to evaluate for spread or recurrence of disease and ensure that the most appropriate form of treatment is selected. A PET scan may be combined with computed tomography (CT) and even magnetic resonance (MRI) to provide an anatomical and functional view of the disease. By exploiting unique features of cancer such as elevated sugar metabolism, doctors can better differentiate between healthy and cancerous cells, even when the cancer is too small to detect by conventional imaging.