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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A CT scan of the abdomen is useful in detecting conditions such as appendicitis and diverticulitis, while a scan of the urinary tract helps check for issues like kidney stones and blockages, explains WebMD. A scan of the... More »

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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 »

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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 »

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A cervical myelogram is an imaging test that uses X-rays, CT scan and a contrasting dye to check for any abnormalities or diseases of the vertebrae of the neck region, spinal cord and spinal nerves. This diagnostic imagi... More »

www.reference.com Health Diagnostics & Imaging