CT Scan (image) NIH/National Cancer Institute Share Print E-Mail Caption This is a CT or CAT scan machine with spiral scanning capabilities. This particular model can produce 356-slice images. Credit National Cancer Institute (NCI). Daniel Sone (Photographer) Usage Restrictions This image is in the public domain and can be freely reused. Please credit the source and/or photographer listed above. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.