What is a voxel of equal length, width, and height called?

A voxel of equal length, width, and height is referred to as isotropic. In the context of imaging, isotropy implies uniformity in all three dimensions, which means that the voxel has the same spatial resolution in every direction. This is important for ensuring the accuracy of measurements and the quality of reconstructed images in computed tomography (CT).

Isotropic voxels help prevent artifacts and enhancements or distortions that can occur when the dimensions vary, particularly in advanced imaging techniques or when analyzing fine details in tissues. This uniformity allows for better spatial accuracy, as it reflects the true shape and density of the structures being imaged, making isotropic resolution highly desirable in CT imaging.

While the term "isovox," "uniform voxel," and "cubic volume element" might be used informally or in other contexts, they do not specifically convey the precise meaning tied to the equal dimensions that is central to the concept of isotropic voxels. In CT and other 3D imaging modalities, understanding isotropy aids in achieving optimal imaging outcomes.