Related by context. Frequent words. (Click for all words.) 66 computed tomography 61 computed tomography CT 59 magnetic resonance imaging 59 CT scans 58 CT angiography 58 positron emission tomography 58 Positron Emission Tomography PET 58 Computed Tomography 58 cone beam 57 CT scanning 57 positron emission tomography PET 57 tomography 57 SPECT CT 57 Magnetic resonance imaging 57 magnetic resonance 56 echocardiography 56 PET scanning 56 SPECT 56 MDCT 56 fluoroscopy 56 MR imaging 55 imaging 55 Radiographic 55 stereotactic 55 single photon emission 54 Sonography 54 slice CT scanner 54 intensity modulated radiation 54 x ray imaging 53 DXA 53 X ray 53 CAT scans 53 optical microscopy 53 ultrasound imaging 53 PET imaging 53 confocal microscopy 53 gamma knife 53 smaller incisions 53 scanning electron microscope 53 echocardiographic 53 IMRT 52 Magnetic Resonance 52 CT scan 52 stereotactic radiosurgery 52 radiation therapy 52 imaging scans 52 PET scanners 52 ultrasound 52 MRI magnetic resonance 52 angiography 52 myocardial perfusion 51 radiographic 51 electroencephalogram EEG 51 Ultrasound 51 MRI scans 51 coronary angiography 51 CT Scans 51 ultrasonography 51 frequency comb 51 PET scans 51 FDG PET 51 diagnostic ultrasound 51 Echocardiography 51 neuroradiology 51 Preoperative 51 radiologic 51 radiography 50 IGRT 50 X ray imaging 50 x ray 50 fluorescence imaging 50 Magnetic Resonance Imaging 50 X ray beams 50 mass spectroscopy 50 Raman spectroscopy 50 PET CT 50 MRIs 50 electrocardiogram ECG 50 cystoscopy 50 elastography 50 breast biopsies 50 myocardial perfusion imaging 50 spectrometry 49 intravascular ultrasound IVUS 49 magnetic resonance spectroscopy 49 voxel 49 MRI 49 Biopsies 49 noninvasive 49 x rays 49 transmission electron microscope 49 X ray fluorescence 49 MRI scanners 49 Minimally invasive 49 flexible sigmoidoscopy 49 Angiography 49 X rays 49 angiograms 49 CT scanner 49 cardiac catheterization 49 X ray crystallography