Multislice CT and CAD bring new efficiencies to diagnosis

November 1, 2008 Diagnostic Imaging. Vol. 30 No. 11 Multislice CT and CAD bring new efficiencies to diagnosis Existing and potential applications can open doors to faster and better interpretations when minutes count in patient management By ANAND K. SINGH, M.D., HIROYUKI YOSHIDA, PH.D., AND DUSHYANT SAHANI, M.D. Computer-aided detection is gradually gaining acceptance in radiology and has become a major research focus in the past few years. The development of CAD with multislice CT has reached the point where, together, they have the potential to offer new capabilities in the interpretation of emergency room scans. Various versions of the CAD acronym have been suggested, including computer-aided detection, computer-aided diagnosis, and computer-assisted detection. Today, it is universally accepted that any CAD applications will assist a radiologist rather than serve as independent diagnostic tools, and therefore the term "detection" is more appropriate.1 The recognition of virtual colonoscopy for the screening of precancerous colonic polyps and of CAD for generating automated segmentations of liver and kidney has encouraged further work to auto-mate advanced postprocessing applications.2-4 Although the potential of computer-aided techniques for use with MRI data sets has been explored for a few clinical needs, there is more acceptance of CAD algorithms with MSCT.5,6

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