Related by context. Frequent words. (Click for all words.) 70 tomography 62 Doppler ultrasound 61 imaging MRI 59 optical coherence tomography 58 Tomography 57 Positron Emission Tomography PET 57 imaging 57 CAT Scan 56 intravascular ultrasound 56 computerized tomography 55 electroencephalogram 55 sonography 55 doppler 55 Computed Tomography 55 fluoroscopy 54 scans 54 ultrasound 54 near infrared spectroscopy 54 magnetic resonance MR 54 x ray 53 CT scanner 53 electrocardiography 53 ultrasonography 53 DEXA 53 cone beam 53 computed tomography CT scans 53 PET scanning 52 cath 52 stereotactic 52 Sonography 52 DXA 52 CT angiography 52 polysomnography 52 X ray 52 EEGs 52 angiography 52 computed tomography CT 52 computed tomography 52 SPECT CT 51 CAT scans 51 x rays 51 gamma knife 51 ultrasound imaging 51 slice CT scanner 51 CT Scans 51 CT scanning 51 CT computed tomography 51 electroencephalography EEG 51 X ray imaging 51 echocardiography 51 scintigraphy 51 X ray fluorescence 51 scanning electron microscope 51 spectrometry 51 X rays CT scans 51 MRI scans 51 echocardiographic 51 Radiographic 50 needle biopsies 50 x ray imaging 50 sonographer 50 ablations 50 Angiography 50 PET scanner 50 MDCT 50 Ultrasound 50 collimator 50 magnetic resonance imaging 50 histopathology 49 MR imaging 49 fine needle aspiration 49 noninvasively 49 magnetic resonance 49 biopsy specimens 49 electroencephalogram EEG 49 MRI magnetic resonance 49 scan 49 intravascular ultrasound IVUS 49 ultrasound scans 49 Radiography 49 ultrasonic waves 49 CAT scan 49 Computed Tomography CT 49 confocal microscopy 49 PET imaging 49 diagnostic 49 femtosecond laser 49 nerve stimulation 49 laser ablation 49 nerve conduction 49 scanner 49 bronchoscopy 49 breast biopsies 49 single photon emission 48 electrophysiological 48 CT scan 48 multimodality 48 Magnetic resonance imaging 48 PET scans 48 da Vinci robot 48 dosimetry