When creating a multiplanar reformation, which parameters must be set by the technologist?

When creating a multiplanar reformation (MPR), the technologist must define specific parameters that directly influence image quality and the resulting reformatted images. The selected answer highlights two critical parameters: the reconstruction algorithm and slice thickness.

The reconstruction algorithm determines how the raw data collected during the scan is processed to generate the images. Different algorithms can enhance certain features of the anatomy or pathology, thereby influencing the overall quality of the reformatted images.

Slice thickness plays a crucial role as well. It impacts the amount of anatomical information captured in each image slice. Thicker slices may lead to partial volume effects, which can obscure details, while thinner slices can provide more detailed images, allowing for better visualization of structures during the reformatted view.

Understanding and setting these parameters properly is essential for creating effective and clinically useful MPRs, as they directly affect the diagnostic capability of the resulting images.

The other options may include relevant aspects of the MPR process, but the reconstruction algorithm and slice thickness are fundamentally critical parameters that must be explicitly defined to achieve optimal results.