Related by context. Frequent words. (Click for all words.) 70 optical coherence tomography 66 intravascular ultrasound 64 wavefront 63 Computed tomography 62 Radiographic 62 optical coherence tomography OCT 62 collimator 61 slit lamp 61 ZEISS 60 Ultrasonography 60 phacoemulsification 60 Doppler ultrasound 60 ultrasonographic 60 aspheric 60 Endoscopes 60 chemiluminescence 60 spectrophotometer 59 Refractive 59 intravascular ultrasound IVUS 59 trabeculectomy 59 magnetic resonance MR 59 intraoperatively 59 colorimeter 59 intracardiac 59 near infrared spectroscopy 59 Pulse CO Oximeter 58 electrocardiographic 58 abdominal ultrasound 58 Optical Coherence Tomography OCT 58 noninvasive imaging 58 VELscope 58 photon counting 58 Angiography 58 fluoroscopic 58 echocardiographic 58 deconvolution 58 Positron Emission Tomography 58 fine needle aspiration 57 noninvasive technique 57 ultrasound imaging 57 diffractive 57 Intraoperative 57 3T MRI 57 Retisert 57 Virtual colonoscopy 57 immunohistochemical 57 phaco 57 tomosynthesis 57 intraocular lens 57 Computed Tomography 57 near infrared NIR 56 spherical aberration 56 Tomography 56 femtosecond laser 56 CBCT 56 retinal imaging 56 SpO2 56 Intensity Modulated Radiation Therapy 56 quantitative PCR 56 minimally invasive technique 56 computed tomography scans 56 doppler 56 PROSTASCINT 56 cone beam 56 Near Infrared 56 Hemodynamic 56 fluorescence microscope 56 intraoral 56 confocal microscope 55 karyotyping 55 Capsule Endoscopy 55 intraocular 55 interferometric 55 laser ablation 55 photometer 55 Echocardiography 55 epicardial 55 Spectrometers 55 Perfusion 55 computed tomography scan 55 hyperopia 55 histopathologic 55 refractive error 55 MRgFUS 55 MSCT 54 noninvasive diagnostic 54 PET positron emission tomography 54 fluorescence imaging 54 diopters 54 electromyography 54 Positron Emission Tomography PET 54 NovaSure 54 Fluorescence 54 Nd YAG 54 radiation therapy IGRT 54 Sonography 54 thermal ablation 54 QTc prolongation 54 excimer laser 54 Fluoroscopy 54 Stenting