Xeroradiography
Xeroradiography is a type of X-ray imaging in which a Xerographic process is used to create the image. This technique was developed by Chester F. Carlson in 1942 and was initially used for industrial nondestructive testing, but was later applied to medicine.
History[edit | edit source]
Chester F. Carlson, the inventor of Xerography, developed Xeroradiography in 1942. The technique was initially used for industrial nondestructive testing. However, it was later applied to medicine, particularly in the diagnosis of breast cancer.
Process[edit | edit source]
In Xeroradiography, an X-ray is passed through the body onto a plate coated with a layer of photoconductive material, usually amorphous selenium. The plate is then charged to a high positive voltage. Wherever the X-ray strikes the plate, the charge is reduced. The plate is then dusted with a powder, such as a toner, which adheres to the charged areas of the plate. The plate is then developed in a similar manner to a photographic print.
Applications[edit | edit source]
Xeroradiography has been used in the diagnosis of a variety of medical conditions. It was particularly useful in the early detection of breast cancer, as it provided a high degree of detail and contrast, making it easier to detect small calcifications that are often an early sign of breast cancer. However, the use of Xeroradiography in mammography has largely been replaced by digital mammography.
Advantages and Disadvantages[edit | edit source]
One of the main advantages of Xeroradiography is its high level of detail and contrast, which can make it easier to detect small abnormalities. However, Xeroradiography uses a higher dose of radiation than other types of X-ray imaging, which can be a disadvantage. In addition, the process of developing the Xeroradiographic plate is more complex and time-consuming than other methods.
See Also[edit | edit source]
Xeroradiography Resources | ||
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Contributors: Prab R. Tumpati, MD