Related by context. Frequent words. (Click for all words.) 90 X ray 78 x rays 70 X rays 62 MRI 62 ultrasound 61 X ray machine 60 CAT scan 59 MRI scan 59 radiography 59 scan 58 imaging 58 CT scan 57 scans 57 computed tomography 55 X rayed 53 x rayed 53 CT scans 53 endoscopy 52 MRIs 52 magnetic resonance imaging 51 X ray machines 51 magnetic resonance 51 Ultrasound 51 MRI scans 51 radiographic 51 CT scanning 51 gamma ray 50 angiography 50 tomography 50 radiographs 50 scanner 50 ultrasound imaging 49 infra red 49 MRI scanner 49 scanners 49 CAT scans 48 PET scan 48 infrared 48 endoscope 48 imager 48 laser 48 endoscopes 47 echocardiogram 47 biopsy 47 arthroscopy 47 computed tomography CT 46 CT scanner 46 angiogram 46 XRF 46 detector 46 Magnetic Resonance Imaging 46 keyhole surgery 46 radiology 46 spectroscopy 46 Scans 46 imagers 46 microscopy 45 scanning 45 magnification 45 mammography 45 PET CT 45 microscopes 45 digital mammography 44 thermal imaging 44 sonography 44 spectrometer 44 radiotherapy 44 Infrared 44 Imaging 44 positron emission tomography PET 44 chest X rays 43 echocardiography 43 chest X ray 43 SPECT 43 lasers 43 electron microscope 43 Scanners 42 electron microscopy 42 diagnostic imaging 42 dental 42 diffraction 42 diagnostic 42 radiation therapy 42 digital imaging 42 CT scanners 42 MRI exam 42 radiologist 42 electron beam 42 millimeter wave 42 scanned 42 laser scanning 42 PET scans 42 ultrasonic 42 ultrasounds 41 mammogram 41 refractive 41 thermal imaging camera 41 laser beam 41 optical 41 gamma rays 41 imaging modalities