HRCT -->
high resolution computed tomography
medical dictionary

Computed tomography with narrow collimation to reduce volume-averaging and an edge-enhancing reconstruction algorithm to sharpen the image, sometimes with a restricted field of view to minimise the size of pixels in the region imaged; used particularly for lung imaging.

Hypocycloidal tomography, body section radiography using a complex film and tube motion with a pattern resembling a three-leaf clover.

Acronym: HRCT

(05 Mar 2000)