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

• X-ray General Illustration.jpg

  Plain X-ray of the wrist and hand

• MRI Scan General Illustration.jpg

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

• Abdominal Ultrasound General Illustration.jpg

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

• TomographyPrinciple Illustration.png

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

• Volume rendered CT scan of a pregnancy of 37 weeks of gestational age (smaller).gif

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