Final answer:
Multi-row detector scanners use Computed Tomography (CT) technology, which relies on X-ray technology to produce highly-detailed images and three-dimensional reconstructions of patients' internal structures.
Step-by-step explanation:
The technology employed by multi-row detector scanners is Computed Tomography (CT) technology. A CT scanner, also known as a CAT scanner, uses X-ray technology. It involves passing X-rays through a slice of the patient's body from various directions. A circular array of detectors, which can be stationary or rotated, registers the X-rays after they pass through the body. The X-ray tube and detector array rotate in unison around the patient. Complex computer image processing then produces highly-detailed images from the relative absorption of the X-rays along different paths. These multi-slice or multi-row CT scanners can acquire multiple images simultaneously, resulting in more efficient scans and detailed three-dimensional reconstructions of the patient's internal structures. This advanced capability distinguishes CT technology from other imaging modalities like ultrasound, MRI, and single-photon-emission computed tomography (SPECT).