Projectional radiography
Projectional Radiography
Projectional radiography (pronounced pro-jek-shuh-nuhl ray-dee-og-ruh-fee) is a form of radiography and medical imaging that produces two-dimensional images by x-ray radiation. The term originates from the Latin projectio, meaning "throwing forward," and the Greek radiographia, meaning "writing with radiation."
History
The discovery of x-rays by Wilhelm Conrad Roentgen in 1895 led to the development of projectional radiography. The first radiographic image, known as a radiograph, was produced by Roentgen and depicted the bones of his wife's hand.
Procedure
In projectional radiography, an x-ray generator produces a controlled beam of radiation, which passes through the body and captures an image on a detector. The resulting image, known as a radiograph, can be used to diagnose and monitor various medical conditions.
Types
There are several types of projectional radiography, including:
- Chest radiography: Used to diagnose conditions affecting the chest, such as pneumonia and lung cancer.
- Abdominal radiography: Used to diagnose conditions affecting the abdomen, such as appendicitis and bowel obstruction.
- Orthopedic radiography: Used to diagnose conditions affecting the bones and joints, such as fractures and arthritis.
Risks
While projectional radiography is a valuable diagnostic tool, it does carry some risks, primarily due to the exposure to ionizing radiation. These risks can be minimized through the use of appropriate shielding and by limiting the number of radiographs taken.
Related Terms
- Radiology: The medical specialty that uses medical imaging to diagnose and treat diseases.
- Radiologist: A medical doctor who specializes in diagnosing and treating diseases and injuries using medical imaging techniques.
- Radiographer: A healthcare professional who specializes in the imaging of human anatomy for diagnosis and treatment of pathology.
External links
- Medical encyclopedia article on Projectional radiography
- Wikipedia's article - Projectional radiography
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