Source:http://linkedlifedata.com/resource/umls/id/C0442015
NCI: Acquisition or display of radiographic images using digital techniques; includes digital video fluoroscopy, scan-projection radiography (SPR), digital subtraction and angiography (DSA), digital intravenous angiography (DIVA), and computed tomography. (CRC Dictionary and Handbook of Nuclear Medicine and Clinical Imaging, 1990)