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How image modalities work 

How image modalities work
Chapter:
How image modalities work
Author(s):

Philip J. O’Connor

DOI:
10.1093/med/9780199235773.003.01
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date: 31 March 2020

X-rays 2

Computed tomography 4

Nuclear medicine: scintigraphy 6

Nuclear medicine: positron emission tomography 8

Ultrasound 10

Magnetic resonance imaging 12

X-rays photons are a type of electromagnetic radiation, also referred to as ionising radiation.

X–rays are produced from the tungsten anode of an X-ray tube when exposed to a stream of electrons emitted from a cathode through which is passed a very high voltage electrical current....

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