CT Colonography (CTC) - The Evolution

CT (Computed tomography): A method of body imaging in which a thin X-ray beam rotates around the patient. A computer analyzes the generated data to construct 2D or 3D images. 
1994: CTC first introduced
1997-2007: Major Validation Trials
2008: ACRIN 6664: National CTC trial
2008: American Cancer Screening endorsement in Joint Guidelines
2008: USPSTF/ 2009: CMS inadequate evidence for national screening coverage
2009-present: Lower radiation Dose, ECF, Validation in Medicare Age Pts Private payer coverage. 
2013: USPSTF Re-evaluation
2013: FDA supports Screening CTC


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