Which beam shape is used in MSCT?

In Multi-Slice Computed Tomography (MSCT), a cone beam shape is utilized. This allows for the simultaneous acquisition of multiple slices of data as the X-ray source rotates around the patient. The cone beam consists of a wide X-ray beam that diverges to form a conical shape, which captures data from multiple slices in a single rotation.

This method is advantageous because it enhances the speed and efficiency of imaging, contributing to faster scan times and reducing the likelihood of motion artifacts due to patient movement during the scan. The cone beam also improves the volume of data collected in a short period, facilitating the reconstruction of high-quality 3D images.

Using alternative beam shapes, such as flat or cylindrical, is not suitable for the requirements of MSCT because they do not offer the same level of coverage and efficiency in slice acquisition. Rectangular beams might be used in other imaging modalities but are not ideal for the specific demands of multi-slice CT scanning. Therefore, the cone beam is integral to the advanced capabilities and performance characteristics of MSCT technology.