Related by context. Frequent words. (Click for all words.) 66 fluoroscopy 62 Doppler ultrasound 62 radiograph 61 collimator 61 laparoscope 60 ultrasound 60 X ray 59 sagittal 58 x ray 58 computerized tomography 58 tiny incisions 58 CT computed tomography 58 x rays 58 needle biopsies 58 cone beam 57 radiographs 57 optical coherence tomography 57 intravascular ultrasound 56 sentinel lymph node 56 MRIs 56 Virtual colonoscopy 56 retractor 56 discectomy 56 anatomical structures 56 minimally invasive technique 56 near infrared spectroscopy 56 ablations 56 CAT Scan 55 Intraoperative 55 doppler 55 palpation 55 stereotactic 55 CT angiography 55 Sonography 55 trocar 55 X rays 54 endoscope 54 speculum 54 smaller incisions 54 magnetic resonance MR 54 endoscopes 54 Radiographic 54 spinal decompression 54 colonoscope 54 Ultrasound 54 fine needle aspiration 54 cath 54 conventional colonoscopy 54 da Vinci robot 54 ultrasound imaging 54 laparoscopically 54 MRI 53 CT scans 53 catheter inserted 53 CAT scan 53 x ray imaging 53 arthrodesis 53 imaging MRI 53 SPECT CT 53 wavefront 53 scintigraphy 53 cannula 53 loupe 53 CT scanner 53 endotracheal tube 53 imaging 52 interventional procedures 52 Angiography 52 microsurgical 52 CAT scans 52 Magnetic resonance imaging 52 CT scan 52 radiotracer 52 pulse oximeter 52 DXA 52 endoscopy 52 Positron Emission Tomography PET 52 intra operative 52 Xray 52 myocardial perfusion 52 CT scanning 52 radial artery 52 arthroscope 52 noninvasively 52 Minimally invasive 52 gamma camera 51 ultrasonography 51 MRI scanner 51 echocardiography 51 magnetic resonance imaging 51 PET scanner 51 Endoscopic 51 endoscopically 51 Tomography 51 eyepieces 51 IGRT 51 MR imaging 51 MRI magnetic resonance 51 nerve conduction 51 sonographer 51 slice CT scanner