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CT
Computed Tomography

PET
Nuclear Medicine/Positron Emission Tomography

PET/CT
Positron Emission Tomography/Computed Tomography

Before PET/CT Before PET/CT
Benefits of PET/CT Benefits of PET/CT
Design Concepts Design Concepts
Early Stages of PET/CT Development Early Stages of PET/CT Development
History of PET/CT History of PET/CT
Computed Tomography (CT) Computed Tomography (CT)
Computed Tomography Results Computed Tomography Results
Computed Tomography Scanning Computed Tomography Scanning
The benefits of Computed Tomography The benefits of Computed Tomography
Uses of Computed Tomography Uses of Computed Tomography
Positron Emission Tomography (PET) Positron Emission Tomography (PET)
How PET/CT Works How PET/CT Works
Negatives and Side Effects of PET/CT Negatives and Side Effects of PET/CT
PET/CT & Alzheimer’s Disease PET/CT & Alzheimer’s Disease
PET/CT & Brain Tumours PET/CT & Brain Tumours
PET/CT & Breast Cancer PET/CT & Breast Cancer
PET/CT & Cancer Procedures PET/CT & Cancer Procedures
PET/CT & Cardiovascular Disease Procedures PET/CT & Cardiovascular Disease Procedures
PET/CT & Cervical Cancer PET/CT & Cervical Cancer
PET/CT & Colorectal Cancer PET/CT & Colorectal Cancer
PET/CT & Epilepsy PET/CT & Epilepsy
PET/CT & Esophageal Cancer PET/CT & Esophageal Cancer
PET/CT & Head and Neck Cancer PET/CT & Head and Neck Cancer
PET/CT & Lung Cancer PET/CT & Lung Cancer
PET/CT & Lymphoma PET/CT & Lymphoma
PET/CT & Melanoma PET/CT & Melanoma
PET/CT & Ovarian Cancer PET/CT & Ovarian Cancer
PET/CT & Parkinson’s Disease PET/CT & Parkinson’s Disease
PET/CT and Brain Disorders Procedures PET/CT and Brain Disorders Procedures
Procedure for a PET/CT Scan Procedure for a PET/CT Scan
The Basics of PET/CT The Basics of PET/CT
The Uses of PET/CT Scan The Uses of PET/CT Scan
Why the Need for PET/CT Why the Need for PET/CT

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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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