What does ‘fan beam’ technology refer to in imaging?

Fan beam technology refers to a specific imaging technique where radiation is spread in a particular plane. This method is often used in bone density scanning and other forms of radiographic imaging. In fan beam imaging, the x-rays are emitted in a fan-like shape, allowing for the capture of a two-dimensional image of the body's structures from a single rotation. This technique helps improve the quality and detail of the images obtained, making it easier to assess bone density and other important diagnostic features.

This methodology is crucial in ensuring that the area of interest is appropriately covered by the radiation, enhancing the sensitivity and specificity of the exam. The fan beam approach contributes to the ability to create detailed images while optimizing the amount of radiation exposure to the patient, making it an efficient and safe imaging technology.