Scanning
Scanning (Medicine)
Scanning (pronunciation: /ˈskænɪŋ/) is a medical procedure that involves the use of various imaging technologies to create detailed images of the inside of the body.
Etymology
The term "scanning" comes from the Old Norse word "skanna", which means to search or examine. In the medical context, it refers to the process of examining the body's internal structures using imaging technologies.
Types of Scanning
There are several types of scanning procedures used in medicine, including:
- Computed Tomography (CT) Scan: This type of scan uses X-rays and a computer to create detailed images of the body. It can be used to diagnose and monitor a variety of health conditions.
- Magnetic Resonance Imaging (MRI): An MRI uses a magnetic field and radio waves to create detailed images of the body. It is often used to diagnose conditions affecting the brain, spine, joints, and soft tissues.
- Positron Emission Tomography (PET) Scan: A PET scan uses a small amount of radioactive material and a special camera to create images of the body's organs and tissues. It is often used in cancer diagnosis and treatment.
- Ultrasound Scan: This type of scan uses high-frequency sound waves to create images of the body's internal structures. It is commonly used during pregnancy and to diagnose conditions affecting the heart, blood vessels, and organs.
Related Terms
- Radiology: The branch of medicine that uses imaging technologies, including scanning, to diagnose and treat diseases.
- Radiologist: A medical professional who specializes in interpreting medical images, including those produced by scanning.
- Medical Imaging: The process of creating visual representations of the interior of the body for clinical analysis and medical intervention.
External links
- Medical encyclopedia article on Scanning
- Wikipedia's article - Scanning
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