Centegra Health System continues to offer the most advanced healthcare technology to patients in McHenry County. One way we ensure that you receive high-quality care close to home is with our state-of-the art, 64-slice PET/CT scanner, the only one in McHenry County.Our permanent PET/CT unit combines two powerful methods of evaluating a patient into a single exam. This exam provides physicians with integrated images that show details about your body often before physical changes occur. The fusion of the PET scan and CT scan helps physicians provide earlier, and more accurate diagnoses and helps pinpoint the best approach to implementing, monitoring and adjusting your treatment plan.PET/CT scans are most often used to diagnose and stage various cancer types. For more information or to schedule an appointment, call 815.334.5566.