who invented the pet scan

PET History And Evolution

PET scanners are one of the newer forms of medical instruments. They are radically different from the tools used by physicians to make images of the brain in a non-invasive method, as in without having to open up the skull to observe what goes on inside or take brain tissue samples.

The introduction of the x-ray has become something of immense medical value. However, x-ray radiography can only display the anatomical structure of an individuals body and nothing else. Enlarged organs, movement within the body, and flow of certain substances could be seen for some organs such as the intestine or heart, but nothing much more. Since it is understood that the brain isn’t a moving organ, the value of radiography in this aspect became of little relevance.

The introduction of PET (Positron Emission Tomography) became highlighted in several aspects for the study of a healthy brain and became of immense value in that direction. The first PET had a few radiation sensors for creating the image and could only do one slice at a time, and each slice was incredibly thick. For this reason, the images obtained were of low quality and definition.

In the current day, however, technology has developed extensively, and PET scanners are costly and sophisticated devices in the industry. Consequently, some of the best machines are available in the market for understanding and observing the human brain.

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