Related by context. Frequent words. (Click for all words.) 70 colonoscope 59 fluoroscopic 58 laparoscope 58 endoscope 57 collimator 55 phacoemulsification 55 endoscopist 54 conventional colonoscopy 54 bronchoscope 54 intravascular ultrasound 54 Doppler ultrasound 53 fluoroscopy 53 optical coherence tomography 52 mammographic 52 sagittal 52 fine needle aspiration 52 Virtual colonoscopy 52 transvaginal 52 bronchoscopy 51 eyepieces 51 diffractive 51 imager 51 trocar 51 SPECT CT 51 eyepiece 51 confocal microscope 51 endoscopically 50 intraocular 50 tiny incisions 50 endotracheal tube 50 radar altimeter 50 magnifications 50 doppler 50 esophagus stomach 50 MDCT 50 laparoscopically 49 VIRTIS 49 Radiographs 49 anatomical structures 49 interferometric 49 MR imaging 49 magnifying lens 49 optical coherence tomography OCT 49 wavefront 49 photometer 49 fluorescence imaging 49 CCD camera 49 sentinel lymph node 49 ascending aorta 49 optical colonoscopy 48 laser ablation 48 stereotactic 48 confocal microscopy 48 laparotomy 48 cystoscopy 48 PROSTASCINT 48 optical microscope 48 maxillary 48 multispectral 48 computed radiography CR 48 ureters 48 near infrared NIR 48 mandibular 48 confocal 48 speculum 48 distension 48 monocular 48 cecum 48 digital rectal examination 48 near infrared spectroscopy 47 cannula 47 Tomography 47 electrocautery 47 anastomosis 47 magnification 47 umbilicus 47 electrocardiography 47 duodenum 47 glenoid 47 sentinel node 47 needle biopsies 47 imaging 47 endoscopes 47 angiography 47 ureter 47 FOV 46 radiograph 46 abdominal aorta 46 Positron Emission Tomography PET 46 intra abdominal 46 syngo 46 apertures 46 calcifications 46 gamma camera 46 BSGI 46 endoscopy 46 tomography 46 Biopsy 46 discectomy 46 sclera 46 binocular vision