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Computed Tomography (CT)
Computed Tomography (CT), is more commonly known as a CAT scan. Computed Tomography
acquires graphical images of body parts from many different angles using special
x-ray equipment.
A British electronic engineer, Godfrey Hounsfield, invented today’s modern
Computed Tomography in 1967. By connecting x-ray sensors to a computer Hounsfield
was able to form images of the body by developing a mathematical equation that
could take the data obtained by the x-ray sensors and produce a detailed anatomical
picture of the body.
The Mayo Clinic first began operating Computed Tomography machines in 1973.
At that time, Computed Tomography images were only one hundred times clearer
than normal X-ray images. Since then the speed, accuracy and overall quality
of CT images has improved immensely.
The graphical images that are formed from the Computed Tomography data are
joined together to form a three-dimensional (3-D) graphical cross-section. This
3-D of graphical cross-section shows both body tissue and internal body organs,
giving a very detailed anatomical structure of the specific body part(s) under
investigation.
Computed Tomography is so detailed that it can show, and distinguish between,
the following body parts, empowering physicians with a unique tool to diagnose
medical conditions and aid their treatment:
- Bone tissue
- Soft tissue
- Organs
- Muscles
- Tumours
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