slice count
Number of simultaneous slices a CT scanner acquires per gantry rotation. 16, 32, 64, 128, 256, 320 are common tiers.
Why it matters to buyers: Higher slice count = faster whole-body coverage, better cardiac imaging. Biggest clinical-capability gate on CT purchase.
Why it matters to engineers: Detector count, DAS channel count, and reconstruction time all scale with slices.