Medical imaging

Medical imaging is the name for a number of processes that are used to make images of body parts. These pictures can then be used to help diagnose a condition. There are different classes of such procedues, for example:

• Radiography
• Positron emission tomography
• Medical ultrasonography
• Magnetic resonance imaging
• Electrical impedance tomography
• Endoscopy

Medical Imaging Media

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  Plain X-ray of the wrist and hand

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  One frame of an MRI scan of the head showing the eyes and brain

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  Ultrasound image showing the liver, gallbladder and common bile duct.

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  Basic principle of tomography: superposition free tomographic cross sections S1 and S2 compared with the (not tomographic) projected image P

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  CT scanning (volume rendered in this case) confers a radiation dose to the developing fetus.