Related by context. Frequent words. (Click for all words.) 64 PET positron emission tomography 63 CT computed tomography 61 scans 59 PET CT scan 59 abdominal ultrasound 58 Doppler ultrasound 58 Computed tomography 58 imaging MRI 58 computed tomography CT scans 57 magnetic resonance MR 57 scan 56 DEXA 56 Positron Emission Tomography 56 Virtual colonoscopy 56 noninvasive imaging 55 slit lamp 55 computed tomography CT scan 55 X ray scans 55 x ray 55 imaging 55 DXA 55 3T MRI 54 optical coherence tomography 54 computed tomography scans 54 fine needle aspiration 54 Ultrasonography 54 sonographer 54 CT Scans 54 X ray 54 barium enema 53 EBCT 53 tomosynthesis 53 computed tomography scan 53 Positron Emission Tomography PET 53 needle biopsies 53 ultrasound 53 Urinalysis 53 Radiographic 53 Computed Tomography CT 53 fingerstick 53 electrocardiograph 52 scanning 52 gastroscopy 52 slice CT scanner 52 elastography 52 tomography 52 endoscopist 52 tandem mass spectrometry 52 bone density scans 52 MSCT 52 computed tomography SPECT 52 computerized tomography 52 Computed Tomography 52 diagnostic 52 gynecologic procedures 52 CereTom 52 breast MRI 52 imaging modality 52 ultrasound scans 52 spectral imaging 52 noninvasive diagnostic 52 x ray beam 51 CAT scans 51 ultrasonographic 51 lung nodules 51 magnetoencephalography MEG 51 optical coherence tomography OCT 51 multimodality 51 X rays CT scans 51 x ray imaging 51 mammographic 51 intravascular ultrasound 51 MRI scans 51 x ray machine 51 X ray detectors 51 computed tomography 51 Noninvasive 51 CBCT 51 PET CT imaging 51 ultrasound examinations 51 CAT Scan 50 scanner 50 bone densitometry 50 scanners 50 Angiographic 50 cardiogram 50 Endoscopes 50 MRI magnetic resonance 50 radiation therapy IGRT 50 Systems PACS 50 sentinel lymph node 50 radiographic images 50 computed radiography CR 50 CT angiography 50 X ray absorptiometry 50 fluoroscopic 50 syngo 50 SmartCheck 50 CT scanning 50 computed tomography CT 50 coronary angiogram