Oncology Central

Is lung cancer screening possible with digital chest tomosynthesis?


Tomography, also known as stratigraphy, was developed in the 1930s by the Italian radiologist Alessandro Vallebona [1] and proved to be useful in reducing the problem of superimposition of structures in projectional radiography. A chest tomogram is a picture of the chest area created by moving the x-ray machine in one direction, while moving the recording film the other way. Consequently, structures in the focal plane appear sharper, while structures in other planes appear blurred. Different focal planes that contain the structures of interest can be selected by modifying the direction and extent of the movement.

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