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(Click for frequent words.) 66 multimodality imaging 64 perfusion imaging 64 WavSTAT 64 intraoperative imaging 64 Magnetic resonance 64 TomoDirect 64 multislice CT 63 PET CT imaging 63 PET CT fusion 63 coronary computed tomography 62 intensity modulated radiotherapy 62 TargetScan 62 IG IMRT 61 PressureWire 61 COR Analyzer 61 bronchoscopic 61 cCTA 61 syngo.via 61 mammography workstation 61 Multidetector CT 61 stereotactic radiation 61 multidetector CT 61 SPECT CT imaging 61 stereotactic radiotherapy 61 radiation therapy IGRT 61 MOSAIQ R 60 PET CT scanners 60 radiofrequency RF ablation 60 radiosurgical 60 SpyGlass System 60 angiography CCTA 60 noninvasive imaging 60 transesophageal 60 Multimodality 60 endoscopic ultrasound 60 interoperative 60 syngo DynaCT 60 BrachySil TM 60 syngo 60 optical coherence tomography OCT 60 Third Eye Retroscope 60 Elekta Synergy R 60 PET CT scanning 60 DynaCT 60 Coronary CTA 60 preoperative staging 60 LumaGEM 60 stereotactic body 60 RadStream 60 stereotactic radiosurgery SRS 60 invasive angiography 60 Therapy VMAT 60 Cystoscopy 60 respiratory gating 59 iNtuition 59 percutaneous biopsy 59 VERICIS 59 multislice 59 multi modality 59 V3D Colon 59 LipiScan 59 Cardiac catheterization 59 FFR measurement 59 multidetector row 59 extracranial 59 percutaneous catheter 59 syngo.plaza 59 digital subtraction angiography 59 CADstream 59 Cardiac CT 59 Medicsight ColonCAD 59 endoluminal 59 TomoHD 59 cardiac angiography 59 cardiac perfusion 59 x ray angiography 59 Acuson S# 59 Positron Emission Mammography PEM 59 FDG-PET/CT 59 Ultrasound imaging 59 concurrent chemoradiation 59 transesophageal echocardiography 59 PET myocardial perfusion 59 stress echocardiography 58 CT angiography CTA 58 Attrius 58 keratectomy 58 iMRI 58 Viatronix V3D Colon 58 Vitrea 58 vascular ultrasound 58 EnSite Velocity System 58 pathologic correlation 58 Sectra PACS 58 interventional radiology procedures 58 intracardiac 58 adnexal masses 58 teleconsultation 58 4D imaging 58 #F FDG PET 58 gamma imaging 58 computed tomography angiography 58 SecondLook Digital 58 Surgical resection 58 cardiac PET 58 RapidArc treatments 58 MiCK assay 58 syngo R 58 IQQA ® Liver 58 tomography imaging 58 TomoDirect ™ 58 PowerScribe 58 genitourinary cancers 58 VeraLook 58 hepatic lesions 58 electrophysiology EP 58 spiral computed tomography 58 transforaminal 58 IQQA R Liver 58 CARE HF 58 PET imaging 58 tomosynthesis 58 MSCT 58 ultrasound computed tomography 58 Endoscopic ultrasound 58 colonography 58 DICOM RT 58 telecardiology 58 electrocardiography ECG 58 bifurcation stent 58 Trofex 58 radiotherapy SBRT 58 Positron Emission Tomography PET 57 vascular interventional 57 DCE MRI 57 F FDG PET 57 CARESCAPE Monitor B# 57 diffusion tensor 57 QLAB 57 endoscopic retrograde cholangiopancreatography ERCGrant Parpan 57 Attrius ® 57 ECG gated 57 trans urethral resection 57 Commissure 57 SPECT CT 57 intensity modulated 57 Tryton stent 57 tumor excision 57 cardiac magnetic resonance 57 Stereotactic radiosurgery 57 cerebral oximetry 57 AF ablation 57 EBUS 57 EBUS FNA 57 color Doppler sonography 57 Artis zeego 57 laparoscopic colon 57 transthoracic 57 renal tumors 57 biliary tract cancer 57 #.#T MRI 57 computed tomographic 57 Attrius ™ 57 VivaScope R 57 FDG PET CT 57 Aplio 57 magnetic resonance MR 57 cytoreductive surgery 57 MarginProbe 57 Elekta Axesse 57 endoscopic ultrasonography 57 helical TomoTherapy 57 transrectal ultrasound guided 57 node dissection 57 MR imaging 57 ultrasonographic 57 adaptive radiotherapy 57 flow cytometric 57 INTRABEAM 57 Volumetric Modulated Arc 57 Edwards SAPIEN valve 57 antiangiogenic therapy 57 percutaneous interventions 57 bisulfite sequencing 57 LHRH receptor positive 57 therapy IMRT 57 Accelerated Partial Breast Irradiation 57 #F FDG 57 SiMoA 57 transrectal ultrasound 57 endobronchial 57 SpeechQ 57 Single Photon Emission Computed 57 optical coherence tomography 57 NCCN guidelines 57 radiation therapy SBRT 57 positron emission 57 microwave ablation 56 esophagogastric 56 Computed tomography CT 56 radiation dosimetry 56 radiology workflow 56 ePREOP 56 iterative reconstruction 56 RadPort 56 excisional biopsy 56 vascular anatomy 56 computed tomography scanner 56 Aquilion Premium 56 transnasal 56 quantitative gene expression 56 bi ventricular pacing 56 coronary CTA 56 neo adjuvant 56 electrocardiographs 56 worklist 56 MOSAIQ 56 antiangiogenic agents 56 eBx 56 DICOM viewer 56 Philips iSite 56 guided percutaneous 56 SAVI applicator 56 lymphadenectomy 56 oncologic outcomes 56 minimally invasive robotic 56 thoracoscopic lobectomy 56 stereotactic biopsy 56 Computed tomography 56 PACS workstations 56 Computed tomographic 56 stereotactic 56 lymphatic mapping 56 Image Guided Radiation Therapy 56 endomicroscopy 56 SoftScan ® 56 VisuMax 56 Molecular imaging 56 fetal echocardiography 56 Electronic Brachytherapy 56 conformal radiotherapy 56 Artida 56 intravascular 56 multiplanar 56 Varian linear accelerators 56 pretargeting 56 CBCT scanner 56 transrectal 56 guided radiotherapy IGRT 56 cystoscopic 56 pCLE 56 debulking surgery 56 TUMT 56 imaging modality 56 radiographic imaging 56 quantitative cytology 56 histopathologic findings 56 FDG PET 56 fluoroscopic images 56 laparoscopic radical nephrectomy 56 intensity modulated radiotherapy IMRT 56 balloon brachytherapy 56 3T MR 56 magnetic resonance angiography 56 Optical Coherence Tomography 56 rotational angiography 56 coronary CT angiography 56 Attrius TM PET 56 Prostate Px + 56 MRgFUS 56 computed tomography SPECT 56 RadCube 56 diagnostic modality 56 benign neoplasms 56 CBCT 56 electrodiagnostic 56 MDCT scans 56 endoscopic surgical 56 CT angiograms 56 HIFU therapy 56 dermoscopy 56 transesophageal echocardiography TEE 56 brain tumor resection 56 PET positron emission tomography 56 functional mitral regurgitation 56 Intra operative 56 antithrombotic therapies 56 LightLab OCT 55 colonoscopic 55 TNM staging 55 Coronary artery bypass 55 Fractional Flow Reserve 55 MDCT angiography 55 neuro vascular 55 computerized tomography CT 55 Convergent Procedure 55 urological procedures 55 fluorescein angiography 55 fluoroscopic 55 transvaginal sonography 55 ADVEXIN therapy 55 PET tracer 55 Lymph node 55 Corus CAD 55 Volcano s5i 55 Combo Stent 55 breast MRI 55 DITI 55 accommodating IOL 55 Color Doppler 55 lesion localization 55 PET CT 55 Aplio MX 55 imaging 55 cardiac cath labs 55 SPECT imaging 55 Molecular Breast 55 spontaneous regression 55 FLT PET 55 transcatheter aortic valve implantation 55 fluoroscopic imaging 55 peritoneal carcinomatosis 55 Radical prostatectomy 55 Positron emission 55 Cardio3KG 55 opto acoustic 55 AFRS TM 55 nodal dissection 55 Crystalens AO 55 CT angiography 55 angio 55 liver metastasis 55 Computerized Tomography CT 55 BrightView XCT 55 interventional cardiac 55 Sentinel node biopsy 55 cerebral angiogram 55 nodal metastasis 55 DICOM compliant 55 Sectra MicroDose Mammography 55 SD OCT 55 detecting coronary artery 55 Transurethral 55 Ambient Experience 55 myocardial revascularization 55 tumorigenicity 55 CareAdvance Enterprise 55 cystoscope 55 biophotonic 55 Ultrasonographic 55 sentinel lymph node biopsy 55 hypofractionated 55 chronic thromboembolic pulmonary 55 Hexvix 55 Tomography SPECT 55 Intensity Modulated Radiation Therapy 55 multimodality therapy 55 molecular biomarkers 55 radiosurgery treatments 55 DigiView 55 surgical resection cavity 55 syngo Dynamics 55 transurethral 55 Varian RapidArc 55 Visage CS 55 ColoMarker 55 spinal metastases 55 PET scanning 55 intracoronary 55 laser Doppler 55 radionuclide imaging 55 organ perfusion 55 Flexible sigmoidoscopy 55 DICOM connectivity 55 Magnetic Resonance MR 55 CT pulmonary angiography 55 Elekta Synergy TM 55 tracheal intubation 55 fundus camera 55 radiofrequency catheter ablation 55 IGRT 55 cardiac PET scanner 55 laparoscopic nephrectomy 55 MOSAIQ ® 55 NSCLC tumors 55 fosbretabulin 55 PET CT scan 55 skin sparing mastectomy 55 preoperative MRI 55 intraductal 55 gynecologic procedures 55 eTag assays 55 RadWhere 55 tumor histology 55 PSMA ADC 55 Interventional radiology 55 subconjunctival injection 55 endoscopic retrograde 55 fluorescence endoscopy 55 SOMATOM Definition 55 fine needle aspiration 55 AMICAS PACS 55 Discovery CT# HD 55 prospective multicenter study 55 Scintigraphy 55 Merge Mammo 55 repair TEVAR 55 QTinno TM 55 hypervascular 55 PROSTASCINT 55 NovaPACS 55 dosimetric 55 sonographic 55 computed tomography CT scanner 54 Smartlipo MPX 54 imaging informatics 54 anastomotic devices 54 Retasure 54 catheter angiography 54 Positron emission tomography 54 intracavitary 54 visit www.elekta.com 54 thermal ablation 54 predictive biomarker 54 ColonCAD 54 transabdominal 54 delipidation 54 SOMATOM Sensation 54 Infinix i 54 single incision laparoscopic 54 anti angiogenic therapy 54 EnRhythm MRI SureScan pacing 54 ACUSON 54 bispecific antibody 54 frameless radiosurgery 54 neurosurgical procedure 54 SpeechMagic 54 morphometry 54 valve implantation 54 Mammosite 54 gated SPECT 54 Guava PCA systems 54 Novalis Tx 54 densitometry 54 color Doppler ultrasound 54 DNA methylation biomarker 54 miRNA biomarkers 54 stereotactic radiosurgery 54 multivessel coronary artery 54 Visualize Vascular 54 endovascular aneurysm repair EVAR 54 Aquarius iNtuition 54 transthoracic echocardiography 54 Fine needle aspiration 54 cytoreduction 54 SPECT myocardial perfusion imaging 54 HistoScanning 54 radiopharmaceutical distribution 54 WaveScan 54 postoperative radiotherapy 54 refractive cataract surgery 54 multifocal IOLs 54 endothelial progenitor cell 54 microdissection 54 pulmonary nodules 54 PET CT scans 54 microRNA profiling 54 echocardiography 54 vitreo retinal 54 CA9 SCAN 54 minimally invasive endovascular 54 BrainSUITE 54 GeneSearch BLN Assay 54 pancreatic adenocarcinoma 54 resting ECG 54 peripheral arterial 54 liver resection 54 transcatheter closure 54 TrueBeam 54 CT Colonography 54 chemoembolization 54 preoperative chemotherapy 54 urothelial carcinoma 54 Lumbar Interbody Fusion 54 benign prostatic hyperplasia enlarged 54 biomarker assays 54 cardiac cath 54 CyberKnife radiosurgery 54 MelaFind R 54 Elekta Synergy 54 novel immunotherapeutic 54 kinase profiling 54 cellular immunotherapy 54 EchoCRT 54 gadolinium enhanced 54 radiology PACS 54 QTinno 54 Imaging BSGI 54 Angiographic 54 FDG PET imaging 54 ostial 54 Radiographic 54 PET Positron Emission Tomography 54 positron emission tomography computed 54 urodynamic 54 microRNA biomarkers 54 Histologic 54 intravascular ultrasound 54 Somatom Definition 54 resection cavity 54 metastatic lymph nodes 54 microvessel 54 AngioJet thrombectomy 54 Positron Attrius 54 softcopy 54 Virtual Histology 54 Tomographic 54 PET tracers 54 nomograms 54 intravascular ultrasound IVUS 54 differentiate squamous 54 PACS workstation 54 Signature Mapping TM 54 miRNA profiling 54 Noninvasive 54 osteoid osteoma 54 antiangiogenic agent 54 Cooled ThermoTherapy 54 CT perfusion 54 LungSign TM 54 Cardiac Resynchronization Therapy 54 noninvasive diagnostic 54 noninvasive outpatient 54 confocal laser 54 NewTom VG 54 MOSAIQ TM 54 PET SPECT 54 Sideguard ® 54 pulmonary artery banding 54 florbetaben 54 scintigraphy 54 CT fluoroscopy 54 enhanced external counterpulsation 54 descending thoracic 54 cystoscopy 54 transurethral resection 54 Randomized clinical trials 54 Custom NX 54 TURBT 54 intraoperative radiation therapy 54 noninvasive ultrasound 54 Fourier domain 54 IntegradWeb PACS 54 bifurcation lesions 54 prostate carcinoma 54 nephron sparing surgery 54 electrophysiologic 54 Perfusion CT 54 cardiac catherization 54 TAXUS Liberte Stent 54 EndoFLIP 54 clinicopathologic 54 Biopsy System 54 tubulin inhibitor 54 HDL Selective Delipidation 54 ligand induced 54 cytological 54 TomoTherapy SM 54 helical CT 54 ophthalmoscopy 54 computerized tomographic 54 radiation therapy IMRT 54 thoracoscopic 54 putative biomarkers 54 hepatic arterial 54 FFR measurements 54 CyberKnife ® 54 interventional neuroradiology 54 INTRABEAM ® 54 axillary dissection 54 orthoPACE TM 54 MitraClip device 54 transoral 54 ablative therapy 54 multiparametric 54 urography 54 transcranial Doppler 54 endovascular therapy 54 StructuRad 54 ECG waveform 54 HIPEC 54 ProstaScint 54 T1 weighted 54 treating cancerous tumors 53 Breast Specific 53 colorectal liver metastases 53 conformal radiation 53 Elastography 53 MR angiography 53 Coronary angioplasty 53 MGd 53 deCODE ProstateCancer TM 53 cardiac resynchronisation therapy 53 mammography ultrasound 53 Cardiology PACS 53 cardiac perfusion imaging 53 IORT 53 prognostic biomarker 53 mechanical thrombectomy 53 Image Guided Surgery 53 FDG uptake 53 Symbia 53 recombinant tissue plasminogen 53 BioMAP 53 sidebranch 53 Stabilimax 53 intravascular stent 53 Fully Covered Stent 53 PressureWire Certus 53 Biomerk Tumorgrafts 53 Syllego system 53 photon laser 53 ablation procedures 53 CryoMaze 53 CTO recanalization 53 randomized discontinuation 53 ClosureFAST 53 multiphoton microscopy 53 p# biomarker 53 deCODE AF TM 53 TAVI procedure 53 fundus photography 53 MRI PET CT 53 VATS lobectomy 53 intracardiac ultrasound catheter 53 intracranial stenosis 53 Attrius TM 53 urologic gynecologic 53 segmentectomy 53 immunohistochemical 53 confocal imaging 53 neuro interventional 53 IQ SPECT 53 PD2i 53 RapidArc ® 53 haemodynamic monitoring 53 phakic IOL 53 Cone Beam Computed Tomography 53 T2 weighted images 53 coronary stenting 53 chemoradiation therapy 53 prostate carcinomas 53 gamma imaging BSGI 53 transcranial Doppler ultrasound 53 CT angiogram 53 #D/#D ultrasound 53 PROLARIS 53 volumetric imaging 53 EP #R 53 FD OCT 53 surgical oncologists 53 interventional procedures 53 retroperitoneal 53 localized renal 53 RF ablation 53 Signal X6 53 endorectal coil 53 FUSION PACS 53 endoscopy suites 53 pelvic radiotherapy 53 Plicator 53 radiofrequency ablation RFA 53 Axxent ® 53 presurgical 53 flexible bronchoscope 53 keratoplasty 53 neuroradiologists 53 endoscopist 53 percutaneous cryoablation 53 echocardiographic 53 perfusion CT 53 neurology cardiology 53 iE# 53 interventional therapies 53 prospective nonrandomized 53 aerosolized surfactant 53 neoadjuvant treatment 53 EECP ® therapy 53 genomic biomarker 53 prostate cancer CaP 53 epicardial 53 CardioFit 53 phakic 53 multiplanar reconstruction 53 intensity modulated proton therapy 53 anti angiogenic agents 53 PressureWire ™ 53 CytoVision 53 Epigenomics proprietary 53 bioresorbable stent 53 Balloon kyphoplasty 53 therapeutic radiopharmaceuticals 53 echo planar 53 kidney urologic 53 tomotherapy 53 Capsule endoscopy 53 tonometry 53 NCCN Guidelines ™ 53 sacral nerve stimulation 53 Toshiba Infinix 53 venography 53 tumor resection 53 biomarker identification 53 cortical stimulation 53 computed tomographic angiography 53 MGuard ™ 53 GreenLight laser 53 PatientSecure 53 MyoSure 53 worklists 53 Ysio 53 duplex ultrasonography 53 adjuvant therapies 53 electrophysiological 53 HTRF 53 Elekta Axesse TM 53 unresectable tumors 53 arteriography 53 tissue ablation 53 tissue oxygenation 53 telemedical 53 electron beam computed tomography 53 CustomVue 53 XTEN 53 conventional angiography 53 Infinix 53 EUS FNA 53 narrow QRS 53 thermogram 53 FUSION RIS PACS 53 radionuclide bone 53 Radiofrequency ablation 53 balloon dilation 53 coronary vasculature 53 corneal inlay 53 Balloon sinuplasty 53 invasive coronary angiography 53 haemodynamic 53 stratifying patients 53 DIEP flap 53 cephalometric 53 ablative therapies 53 single photon emission 53 Sublative Rejuvenation 53 TomTec 53 gastric carcinomas 53 HPV genotyping 53 computed tomographic CT 53 Positron Emission Tomography 53 SELDI TOF MS 53 BioZ ICG 53 artery embolization 53 wavefront optimized 53 biomarker assay 53 carotid artery stenting CAS 53 ALA PDT 53 SPECT Single Photon 53 natural orifice translumenal 53 sputum cytology 53 cytoreductive nephrectomy 53 SYNTAX trial 53 angiography CTA 53 Neovasc Reducer 53 mucinous 53 #F AV 53 GEMS TM 53 gauge vitrectomy 53 punctal plug delivery 53 adipose derived stem cell 53 SPECT 53 HeartNet 53 stenoses 53 Sentinel lymph node 53 syngo ® 53 VH IVUS 53 clot retrieval 53 OnControl 53 CardioNow 53 CBLC# 53 Tissue Doppler 53 Brilliance iCT scanner 53 COR Analyzer System 53 cediranib 52 hypervascular tumors 52 postoperative chemotherapy 52 immunohistochemistry IHC 52 posterior cervical 52 PICSO ® 52 oral anticoagulation 52 hepatic metastases 52 pars plana vitrectomy 52 neoplastic diseases 52 cardiac telemetry 52 microsphere therapy 52 drug eluting stent DES 52 retinal imaging 52 Viatronix 52 abdominal computed tomography 52 scintigraphic 52 orthopedic templating 52 x rays CT scans 52 myocardial viability 52 ImageChecker 52 Breast Specific Gamma 52 Direct Visualization 52 Vascugel ® 52 GeneSearch 52 Agfa HealthCare IMPAX 52 ductal carcinomas 52 vein ablation 52 Companion Algorithms 52 Stereotactic Radiosurgery 52 OPTTX 52 pharmacologic stress 52 Brodmann Area 52 Diffusion weighted 52 radiochemotherapy 52 ChIP seq 52 PRESEPT study 52 digitizing pathology 52 mediastinal lymph nodes 52 gefitinib Iressa 52 iSite PACS 52 dictation transcription 52 arthrography 52 Toshiba Aquilion ONE 52 #D/#D imaging 52 metastatic gastric 52 pathologic examination 52 chemotherapeutic regimen 52 occlusive disease 52 DVT prophylaxis 52 metabolite profiling 52 bioluminescent imaging 52 STRIDE PD 52 gynaecologic 52 ThinPrep Imaging System 52 commercializing interventional 52 Computed Radiography 52 hyperthermia therapy 52 breast tomosynthesis 52 EECP therapy 52 epicardial ablation 52 cardiac ablation procedures 52 MR HIFU 52 nondiagnostic 52 presbyopia correction 52 Preoperative 52 multicentric 52 imaging modalities 52 AccuBoost 52 ReValving 52 balloon expandable stent 52 T2 lesions 52 sentinel node biopsy 52 mass spectrometric 52 endorectal 52 intraperitoneal chemotherapy 52 ViTALConnect 52 CINQUIL 52 ReadMammo 52 GI endoscopy 52 radionuclide therapy 52 Aureon 52 genomic profiling 52 surgical microscopes 52 color Doppler 52 tomographic images 52 transfemoral 52 Optomap 52 FFR guided 52 multivessel disease 52 proteomic biomarkers 52 LungCAD 52 functional neuroimaging 52 TORS 52 intra arterial 52 radiotherapy RT 52 cerebral angiography 52 conventional coronary angiography 52 laser assisted lipolysis 52 VIS NIR 52 gastroenterology urology 52 SUTENT ® 52 CareSuite 52 myocardial perfusion PET 52 VBLOC TM 52 cardiac revascularization 52 CardioQ 52 thymectomy 52 distraction osteogenesis 52 oncology cardiology 52 transarterial 52 Siemens Biograph 52 cystoid macular edema 52 cathlab 52 intra operatively 52 medavis 52 CellSearch ™ 52 VivaScope 52 endoscopic ultrasound EUS 52 echocardiographic parameters 52 spectrophotometric 52 superDimension 52 Zone Sonography technology 52 nephrectomies 52 radical cystectomy 52 prognostic indicators 52 Excimer Laser 52 adjuvant cisplatin 52 ThinPrep Pap Test 52 XD3 52 gemcitabine Gemzar ® 52 embolic protection device 52 endoscopic surgical procedures 52 biventricular pacing 52 multi analyte 52 imaging FMRI 52 CardioGram 52 surgical debulking 52 AQUA ® 52 Cedara WebAccess 52 KRAS mutation 52 paracentesis 52 automated microscopy 52 haplotyping 52 pancreatic lung 52 intra operative 52 pharmacogenetic testing 52 radiology cardiology 52 protein biochip 52 catheters guidewires 52 fluorescence molecular imaging 52 near infrared spectroscopic 52 IOL implantation 52 photon counting 52 angiographically 52 MAGNETOM Espree 52 computed tomography CT 52 HER2 neu 52 endobronchial ultrasound 52 Doppler ultrasound 52 EnSite System 52 minimally invasive urological 52 upper GI endoscopy 52 Joseph K. Jachinowski 52 nitinol stents 52 carotid artery stenting 52 CaPSURE 52 mammographic 52 interstitial brachytherapy 52 myocardial perfusion 52 atrial arrhythmias 52 DEEP AF 52 NIR spectroscopy 52 ductal lavage 52 invasive lobular carcinoma 52 cardiac CT angiography 52 pelvic malignancies 52 minimally invasive endoscopic 52 sonographic evaluation 52 DCVax R 52 2D electrophoresis 52 Doppler sonography 52 predictive toxicology 52 Phase IIb III 52 massively parallel sequencing 52 InSpectra StO2 52 laparoscopic radical prostatectomy 52 attenuation correction 52 imaging MRI 52 telepathology 52 Computer Aided Detection 52 endoscopic resection 52 guaiac 52 OsiriX 52 doxorubicin Transdrug ® 52 Coronary Angiography 52 MicroMaxx system 52 KRAS mutation status 52 TLIF 52 CT perfusion imaging 52 Cellvizio 52 Functional neuroimaging 52 ultrasound transducer 52 neurointerventional 52 Cardiac PET 52 efficacy evaluable 52 SoftView