In the past two decades, medical centres had come to employ various kinds of scanner-based imaging systems, such as computed tomography and magnetic resonance imaging, that use computers to assemble the digitised data collected by the scanner into two- or three-dimensional pictures of the body's internal structures.
Sa nakaraang dalawang dekada, medikal na mga sentro ay may dumating na gumamit ng iba't-ibang uri ng mga scanner-based imaging system, tulad ng computed tomography at kabigha-bighani lagong imaging, na gumamit ng computer upang magtipun-tipon ang digitised data na nakolekta sa pamamagitan ng mga scanner sa dalawang-o tatlong-sukat larawan ng katawan ng panloob na estraktura.