Related by context. Frequent words. (Click for all words.) 64 MRIs 63 MRI 62 MRI scans 62 magnetic resonance imaging 60 MRI scan 58 X ray 57 x ray 57 CT scan 57 x rays 55 echocardiogram 54 ultrasound 53 angiogram 53 CAT scan 52 ultrasound scan 52 MRI scanner 52 CAT scans 52 computed tomography 51 PET scans 51 X rays 51 PET scan 50 magnetic resonance 50 CT scans 50 MR imaging 50 brain scans 50 tomography 50 CT Scan 49 Magnetic Resonance Imaging 49 Magnetic resonance imaging 48 ultrasonography 48 sonography 46 MRI scanners 46 angiograms 46 Ultrasound 46 biopsy 46 positron emission tomography PET 46 angiography 45 scans 45 imaging 45 electrocardiogram 45 computed tomography CT 45 fMRI 45 cardiac catheterization 45 positron emission tomography 44 functional magnetic resonance 44 arthroscopy 44 echocardiography 44 CT scanning 44 imaging scans 43 MRI exam 43 ultrasounds 43 CT scanner 43 abdominal 43 X ray imaging 43 Scans 43 angioplasty procedure 43 X ray machine 43 chest x ray 43 invasive procedure 43 electrocardiograms 43 anatomic 43 x ray machine 43 PET imaging 42 echocardiograms 42 imaging fMRI 42 fluoroscopy 42 lumbar spine 42 aneurysm 42 biopsies 42 keyhole surgery 42 needle biopsy 42 x ray machines 42 aortic dissection 42 nonsurgical 41 ultrasound imaging 41 neuroimaging 41 radiographic 41 mammography 41 radiologist 41 endoscopy 41 scan 40 endoscopes 40 SPECT 40 An MRI exam 40 minimally invasive procedure 40 pelvic 40 radiographs 40 EKG 40 torn cartilage 40 EKGs 40 mammogram 40 cervical spine 40 surgical procedure 40 CT scanners 40 radiologic 40 cardiac 40 surgery 40 prostate 40 endoscope 40 orthopedic surgeon 40 radiation therapy 40 neurologist