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Iterative Self-Organizing Atherosclerotic Tissue Labeling in Intravascular Ultrasound Images and Comparison With Virtual Histology

A. Katouzian, A. Karamalis, D. Sheet, E. Konofagou, B. Baseri, S. G. Carlier, A. Eslami, Andreas Konig, N. Navab, A. F. Laine
2012 IEEE Transactions on Biomedical Engineering  
In former case, we have quantified results by local contrasting of constructed tissue colormaps with corresponding histology images employing an independent expert and in the latter case, virtual histology  ...  atherosclerotic plaque labeling.  ...  Lisauskas and Dr. S. Sum at InfraRedx (Burlington, MA) who developed the artery fixation cage and helped in collecting IVUS data.  ... 
doi:10.1109/tbme.2012.2213338 pmid:22907962 fatcat:ailea6wconfopg5yopnflpcene

COMPARATIVE STUDY OF CLUSTERING ALGORITHMS IN ORDER TO VIRTUAL HISTOLOGY (VH) IMAGE SEGMENTATION

Zahra Rezaei, Mohd Daud Kasmuni, Ali Selamat, Mohd Shafry Mohd Rahim, Golnoush Abaei, Mohammed Rafiq Abdul Kadir
2015 Jurnal Teknologi  
Recently, Virtual Histology (VH) has been proposed based on spectral analysis of Intravascular Ultrasound (IVUS) provides color code of coronary tissue maps.  ...  The medical imaging segmentation field has developed to assist cardiologist and radiologists and reduce human error in recent years as well.  ...  Intravascular ultrasound (IVUS) and spectral analysis of the radio frequency signal provide an in vivo tissue characterization of atherosclerotic plaques.  ... 
doi:10.11113/jt.v75.4994 fatcat:wgho6rbks5djjovphkk24tkixi

2019 Index IEEE Transactions on Biomedical Engineering Vol. 66

2019 IEEE Transactions on Biomedical Engineering  
Atherosclerotic Tissue Mechanical Properties: From Material Testing, Modeling and Histology.  ...  ., +, TBME July 2019 2022-2031 Dual-Element Intravascular Ultrasound Transducer for Tissue Harmonic Imaging and Frequency Compounding: Development and Imaging Performance Assessment.  ... 
doi:10.1109/tbme.2020.2964087 fatcat:mdfzsmdahnao5ccnuj232hycsm

Proceedings of the World Molecular Imaging Congress 2020, October 7-9, 2020: General Abstracts

2022 Molecular Imaging and Biology  
levels in human HGG tissues.  ...  Objective: To assess the feasibility of imaging HGGs using panitumumab-IRDye800 (pan800) in mice bearing orthotopic HGG xenografts with modest EGFR expression, and characterize EGFR protein expression  ...  Microvascular connectivity (MC) maps (Fig. 1h ) illustrate early stage coherent blood volume fluctuations (i.e. vasodilations and vasoconstrictions) in areas with sprouting tumor vessels (D3-D6), which  ... 
doi:10.1007/s11307-021-01691-0 pmid:34982363 pmcid:PMC8725637 fatcat:ipn7hwekzzh6nbsk6dr2mzuhhm

A Review of JACC Journal Articles on the Topic of Cardiac Imaging: 2011–2012

2013 Journal of the American College of Cardiology  
Intravascular ultrasound provided coregistered anatomical images of arteries.  ...  Conclusions The presence of pericardial DHE on CMR is common in patients with CP, and its presence is associated with histological features of organizing pericarditis, which may be a target for future  ... 
doi:10.1016/j.jacc.2013.08.002 fatcat:rr77fpox5vgb7jcgervp4orbja

Optical aspects of a miniature fluorescence microscope for super-sensitive biomedical detection

Yunfeng Nie, Aikio Sanna, Annukka Kokkonen, Teemu Sipola, Uusitalo Sanna, Simonetta Grilli, Heidi Ottevaere
2020 Zenodo  
We present optical design and the principle demonstrator of a miniature fluorescence microscope aiming for super-sensitive detection.  ...  Current commercial fluorescence microscopes are typically sophisticated, bulky and expensive, not suitable for low-volume or clinic routine biomedical detection.  ...  social responsiveness in those with autism.  ... 
doi:10.5281/zenodo.3822435 fatcat:3eoome22a5grbmarbrktphfh7a

Proceedings of the World Molecular Imaging Congress 2021, October 5-8, 2021: General Abstracts

2022 Molecular Imaging and Biology  
The uncertainty caused in the system was modeled as an iterative deconvolution with resolution subsets to denoise and enhance image resolution.  ...  Body : Purpose: To demonstrate an application of fast iterative method to enhance contrast and image resolution in clinical MRI imaging.  ...  an excellent in vivo stability and radiopharmacology for imaging GPA33-expressing CRC liver metastasis, and appears to be an excellent radiohapten precursor for theranostic Zr-89/Lu-177 therapy.  ... 
doi:10.1007/s11307-021-01693-y pmid:34982365 pmcid:PMC8725635 fatcat:4sfb3isoyfdhfbiwxfr55gvqym

2021 AIUM Award Winners

2021 Journal of ultrasound in medicine  
Immediately following imaging, tissue samples from 3 locations in each kidney were collected and examined histologically.  ...  COPs may reserve a set number of probes, distribute to participants, and conduct a virtual self-scanning session.  ...  In 8 out of 11 scans (72.7% of the time), the ultrasound student was able to obtain adequate images without faculty assistance.  ... 
doi:10.1002/jum.15752 fatcat:v4nx5fvjwndrzfppaiaylgon64

Viscoelasticity Imaging of Biological Tissues and Single Cells Using Shear Wave Propagation

Hongliang Li, Guillaume Flé, Manish Bhatt, Zhen Qu, Sajad Ghazavi, Ladan Yazdani, Guillaume Bosio, Iman Rafati, Guy Cloutier
2021 Frontiers in Physics  
Changes in biomechanical properties of biological soft tissues are often associated with physiological dysfunctions.  ...  In this review, principles and technical developments of shear wave elastography for viscoelasticity characterization from organ to cellular levels are presented, and different imaging modalities used  ...  Ultrasound Elastic Tensor Imaging: Comparison with MR Diffusion Tensor Imaging in the Myocardium.  ... 
doi:10.3389/fphy.2021.666192 fatcat:qvn4pciaxbdbfhynp4spzszrii

B - Scientific Sessions

2010 Insights into Imaging  
Purpose: To evaluate perfusion differences between oedemic and necrotic pancreatic tissue in patients with initial stage of acute pancreatitis using 320-slice dynamic volume CT.  ...  Methods and Materials: 20 patients with clinically suspected severe acute pancreatitis were referred for CT evaluation and imaged with a 320-slice CT unit within the first 24 hours after admission.  ...  Afterwards, the Ln-tissue concentrations were measured in different organs. The complex stability was assessed in vitro.  ... 
doi:10.1007/s13244-010-0011-1 pmid:23099631 pmcid:PMC3534347 fatcat:yfnq3lgteja2lfjl66ivdfnoum

MRI-Guided Focused Ultrasound Surgery

Ferenc A. Jolesz
2009 Annual Review of Medicine  
Reprinted material is quoted with permission, and sources are indicated. A wide variety of references are listed.  ...  Reasonable efforts have been made to publish reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequence of their  ...  Support by the Conseil Régional d'Aquitaine, Ligue National Contre le Cancer, Imagerie du Petit Animal and Philips Medical Systems is gratefully acknowledged.  ... 
doi:10.1146/annurev.med.60.041707.170303 pmid:19630579 pmcid:PMC4005559 fatcat:7ojh6xtfc5ckvloxhnfb5dxtmi

ECR 2012 Book of Abstracts - A - Postergraduate Educational Programme

2012 Insights into Imaging  
PET-MR produces images with excellent tissue contrast, dynamic and functional information. The simultaneous acquisition of PET and MR images allows temporary correction of dynamic PET studies.  ...  In the third step images have to be interpreted and correlated with the clinical findings.  ...  MR imaging offers different potential advantages in comparison with US for evaluating acute abdominal and pelvic pain; these include multiplanar imaging capabilities, a higher soft tissue contrast and  ... 
doi:10.1007/s13244-012-0153-4 pmid:22696127 pmcid:PMC3481066 fatcat:te6ctbtakzh5njsw43geghw3ta

Full Issue PDF

2020 JACC Cardiovascular Imaging  
Microvascular perfusion was evaluated by US perfusion imaging, and in vivo adenosine triphosphate (ATP) release was assessed using in vivo optical imaging.  ...  Optimal parameters were then used in healthy volunteers and patients with PAD where calf US alone or in combination with intravenous microbubble contrast infusion was performed for 10 min.  ...  studies have indicated that assessment of PSS, based on virtual histology-intravascular ultrasounds (IVUS) features, is associated with increased likelihood of plaque rupture (11).  ... 
doi:10.1016/s1936-878x(20)30146-7 fatcat:4lngerhk4ngkfpdi6ddinbl4te

A Review of JACC Journal Articles on the Topic of Interventional Cardiology: 2011–2012

2013 Journal of the American College of Cardiology  
In addition, these compilations should put in perspective the recent advancements and future directions in the important disciplines of cardiovascular medicine. e248 Methods Patients from the EARLY-ACS  ...  (Early Glycoprotein IIb/IIIa Inhibition in Non-ST-Segment Elevation Acute Coronary Syndrome) study and the SYNERGY (Superior Yield of the New strategy of Enoxaparin, Revascularization and GlYcoprotein  ...  evaluation of their mechanical and compositional properties using virtual histology (intravascular ultrasound virtual histology) and palpography.  ... 
doi:10.1016/j.jacc.2013.09.004 fatcat:jysqnvm36ba5zeym6vg56ipcu4

Athletic injuries of the extensor carpi ulnaris subsheath: MRI findings and utility of gadolinium-enhanced fat-saturated T1-weighted sequences with wrist pronation and supination

Jeremy Jeantroux, Fabio Becce, Henri Guerini, Bernard Montalvan, Dominique Le Viet, Jean-Luc Drapé
2010 European Radiology  
We evaluated contrast-enhanced ultrasound (CEUS) in patients with GVHD to assess typical imaging features. Methods and Materials: CEUS was performed in 9 patients with histologically proven GVHD.  ...  B-464 10:48 Comparison of symptomatic and asymptomatic atherosclerotic carotid plaques using parallel imaging and 3 T high-resolution in vivo MR imaging J.M. Grimm 1 , A. Schindler 1 , C.  ...  Purpose: To evaluate the image quality of an iterative reconstruction algorithm (IRIS) in low-dose chest CT in comparison with standard-dose filtered back projection (FBP) CT.  ... 
doi:10.1007/s00330-010-1887-3 pmid:20680292 fatcat:c73xl4gmnjbp5hahuek6dg2pcu
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