Skip to content
Skip to main content

About this free course

Become an OU student

Download this course

Share this free course

Imaging in medicine
Imaging in medicine

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

6.3 How a gamma camera works

Activity 13

Before we look at a patient being imaged and some of the images which can be obtained using this technique, we will look in a bit more detail at how a gamma camera works. Watch the following video clip and note down the main components of the camera as you watch the clip.

Click to view part 2 of the clip about radionuclide imaging [1 minute 16 seconds]

Download this video clip.Video player: Positron emission tomography (PET)
Copy this transcript to the clipboard
Print this transcript
Show transcript|Hide transcript
Positron emission tomography (PET)
Interactive feature not available in single page view (see it in standard view).

Answer

The main components of a gamma camera are:

  • the sodium iodide crystal;

  • the collimator; and

  • the photomultiplier tubes.

Figure 15 shows the components of a gamma camera. Further detail on these components can be found below.

Figure 15
Figure 15: Gamma camera