What term describes table movement per rotation divided by slice thickness?

The correct term that describes the relationship between table movement per rotation and slice thickness is pitch. Pitch is a crucial concept in computed tomography (CT) imaging that quantifies how much the table moves during a single rotation of the CT scanner relative to the thickness of the slices being obtained.

For instance, if the table moves further than the thickness of the slice during each rotation, this results in a higher pitch value, indicating that the slices are spaced further apart, which can affect the resolution and quality of the images. Conversely, a lower pitch value means that the slices are closer together, which can enhance image detail but may lead to longer scan times and increased radiation exposure.

This concept is vital for optimizing imaging protocols, ensuring adequate coverage of the area of interest while balancing image quality and patient safety. The other terms do not specifically describe the relationship between table movement and slice thickness in this manner; density refers to the amount of mass per unit volume, slice thickness specifically refers to the actual measurement of the slices themselves, and rotation factor, while relevant, does not accurately capture this specific calculation.