Changing the slice thickness of a coronal reformation affects the dimensions of the image data in which axis?

When the slice thickness of a coronal reformation is altered, it directly influences the Z-axis dimensions of the image data. In CT imaging, the Z-axis typically represents the depth or the thickness of the slice being acquired. This relationship is fundamental because adjusting the slice thickness modifies the amount of tissue represented in that dimension, thereby affecting the overall volume of the scanned area.

In CT imaging, the X and Y axes typically represent the horizontal and vertical dimensions of the images, respectively. These axes remain unchanged when slice thickness varies since they refer to the spatial arrangement of pixels in the reconstructed image rather than the thickness of the slices themselves. Therefore, any change in the slice thickness will primarily reflect in the Z-axis, which encompasses the volumetric detail captured during the scan.