A CT scan is a radiological imaging test that creates detailed images of the body, according to Medline Plus. It may be used to diagnose an infection, guide a surgeon to the correct area throughout a biopsy, identify mas... More »

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The possible side effects of a computed tomography, or CT, scan include harm to unborn babies and reactions to the special dye used during the procedure, states Mayo Clinic. However, the benefits of this procedure exceed... More »

A CT scan of the chest is performed to rule out or confirm a suspected diagnosis of the lungs. CT scans can provide detailed images of many different types of tissue including lung tissue, according to NHS choices. More »

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A head magnetic resonance imaging scan, or MRI, is a test that produces images of the brain using a strong magnetic field and radio-wave energy, according to WebMD. It typically offers useful information that X-ray, ultr... More »

www.reference.com Health Diagnostics & Imaging

An MRI scan is an imaging technique that uses radio waves passed through the body to generate images of the body's structures, according to MedicineNet. MRI stands for magnetic resonance imaging, and there are no known r... More »

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A PET scan is an imaging test that measures blood flow, oxygen use, glucose metabolism and other body processes, according to Healthline. It is commonly used to detect cancers because it shows tissue abnormalities at the... More »

www.reference.com Health Diagnostics & Imaging

A bone scan is a nuclear imaging test used in the diagnosis of bone diseases and disorders. A bone scan is also used in tracking the location of cancer that has metastasized, or spread to a different location than the or... More »