61 Hits in 16.9 sec

The comprehensive imaging-based analysis of the lung

Eric A. Hoffman, Anne V. Clough, Gary E. Christensen, Ching-long Lin, Geoffrey McLennan, Joseph M. Reinhardt, Brett A. Simon, Milan Sonka, Merryn H. Tawhai, Edwin J.R. van Beek, Ge Wang
2004 Academic Radiology  
There has been a growing focus in the area of nodule detection (4 -8), and there is a new effort to map multiple lung volumes together (9,10) for purposes of evaluating regional lung mechanics, tracking  ...  Small changes are easily detected and quantified, particularly using computer-aided analysis, resulting in a more rapid and more objective assessment of disease progression and hence therapeutic outcomes  ...  Clearly, if the overriding goal is to provide early detection of lung diseases and quantitative tools to detect small changes in the course of a pathologic process modified by an intervention, the imaging  ... 
doi:10.1016/j.acra.2004.09.005 pmid:15596375 fatcat:6yr4oh5lwvf6zmjrup532qcq3i

Visual vs Fully Automatic Histogram-Based Assessment of Idiopathic Pulmonary Fibrosis (IPF) Progression Using Sequential Multidetector Computed Tomography (MDCT)

Davide Colombi, Julien Dinkel, Oliver Weinheimer, Berenike Obermayer, Teodora Buzan, Diana Nabers, Claudia Bauer, Ute Oltmanns, Karin Palmowski, Felix Herth, Hans Ulrich Kauczor, Nicola Sverzellati (+3 others)
2015 PLoS ONE  
Objectives To describe changes over time in extent of idiopathic pulmonary fibrosis (IPF) at multidetector computed tomography (MDCT) assessed by semi-quantitative visual scores (VSs) and fully automatic  ...  Methods Forty IPF patients (median age: 70 y, interquartile: 62-75 years; M:F, 33:7) that underwent 2 MDCT at different time points with a median interval of 13 months (interquartile: 10-17 months) were  ...  Acknowledgments This study was supported by grants from the Dietmar Hopp Stiftung, the Bundesministerium für Bildung und Forschung (BMBF) to the German Center for Lung Research (DZL) (82DZL00401, 82DZL00402  ... 
doi:10.1371/journal.pone.0130653 pmid:26110421 pmcid:PMC4482435 fatcat:yf2be2h4jvbuxdcwdugyjmaizq

Multiple instance learning for computer aided detection and diagnosis of gastric cancer with dual-energy CT imaging

Chao Li, Cen Shi, Huan Zhang, Yazhu Chen, Su Zhang
2015 Journal of Biomedical Informatics  
In this study, we propose a novel multiple instance learning method for the identification of tumor invasion depth of gastric cancer with dual-energy CT imaging.  ...  In the proposed scheme, two level features, bag-level features and instance-level features are extracted for subsequent processing and classification work.  ...  [24] proposed using MIL methods for the detection of Alzheimer's disease (AD) and its prodromal stage mild cognitive impairment (MCI). Xu et al.  ... 
doi:10.1016/j.jbi.2015.08.017 pmid:26319541 fatcat:lphufp5y4bbpflncvcsclnvyky

How AI Can Help in the Diagnostic Dilemma of Pulmonary Nodules

Dalia Fahmy, Heba Kandil, Adel Khelifi, Maha Yaghi, Mohammed Ghazal, Ahmed Sharafeldeen, Ali Mahmoud, Ayman El-Baz
2022 Cancers  
We aim in this review to briefly discuss the current applications of AI in lung segmentation, pulmonary nodule detection and classification.  ...  Pulmonary nodules are the precursors of bronchogenic carcinoma, its early detection facilitates early treatment which save a lot of lives.  ...  The feature radiomic scheme uses different sets of features, that could be morphological/shape (spherical disproportion, circularity . . . etc.), texture features, gray scale/histogram features (average  ... 
doi:10.3390/cancers14071840 pmid:35406614 pmcid:PMC8997734 fatcat:medr2q3kmncq3bsbziqfsmvthm

B - Scientific Sessions

2010 Insights into Imaging  
Conclusion: Perfusion imaging of the whole pancreas allows for discrimination between changes in pancreatic oedema and necrosis in early phase of severe acute pancreatitis.  ...  applied within a time period of 90 seconds.  ...  The sequence used has a high diagnostic accuracy in the detection of solid pulmonary nodules and allows for the detection of nodules > 6 mm with a sensitivity comparable to MDCT (> 90%).  ... 
doi:10.1007/s13244-010-0011-1 pmid:23099631 pmcid:PMC3534347 fatcat:yfnq3lgteja2lfjl66ivdfnoum

Three-dimensional thrombus segmentation in abdominal aortic aneurysms using graph search based on a triangular mesh

Kyungmoo Lee, Ryan K. Johnson, Yin Yin, Andreas Wahle, Mark E. Olszewski, Thomas D. Scholz, Milan Sonka
2010 Computers in Biology and Medicine  
We propose a novel method offering minimal user interaction and high accuracy.  ...  Segmentation and quantitative analysis of the thrombus in AAA are of paramount importance for diagnosis, risk assessment, and determination of treatment options.  ...  Acknowledgments This research was supported, in part, by research grants from Philips Health-care and NIH R01 EB004640.  ... 
doi:10.1016/j.compbiomed.2009.12.002 pmid:20074719 pmcid:PMC2834804 fatcat:pjdvbppohfgmziifpzqaa4nckm

Front Matter: Volume 7260

Proceedings of SPIE, Nico Karssemeijer, Maryellen L. Giger
2009 Medical Imaging 2009: Computer-Aided Diagnosis  
München (Germany) LUNG IMAGING I 7260 07 An adaptive knowledge-driven medical image search engine for interactive diffuse parenchymal lung disease quantification [7260-06] Y.  ...  Catholique de Louvain (Belgium) 7260 24 Breast tissue classification in digital breast tomosynthesis images using texture features: a feasibility study [7260-74] D. Kontos, R. Berger, P. R.  ...  POSTER SESSION: LUNG 2V Acoustical markers for CAD-detected pulmonary nodules in chest CT: A way to avoid suggestion and distraction of radiologist's attention? Robert F.  ... 
doi:10.1117/12.829302 dblp:conf/micad/X09 fatcat:jgk7ro3fazeuhl7j7zo3y57aki

Front Matter: Volume 6514

Proceedings of SPIE, Maryellen L. Giger, Nico Karssemeijer
2007 Medical Imaging 2007: Computer-Aided Diagnosis  
Kafer, Technical Univ. of Munich (Germany); D. P. Naicich, New York Medical Ctr. (USA) 65140Q Efficient detection of diffuse lung disease [6514-25] J. S. J. Wong, T.  ...  Henschke, Weill Medical College of Cornell Univ. (USA) vi 65140Z Simulating solid lung nodules in MDCT images for CAD evaluation: modeling, validation, and applications [6514-34] X.  ... 
doi:10.1117/12.736969 dblp:conf/micad/X07 fatcat:t6trvcu5mnfbfgog3tlcepyli4

Proceedings of the International Cancer Imaging Society (ICIS) 18th Annual Teaching Course

2018 Cancer Imaging  
In more diffuse disease infiltration of larger parts of a segment or lobe it may mimick pneumonia or other infiltrative lung disease.  ...  If the primary pulmonary is small the disease may appear as a diffuse interstitial lung disease mimicking sarcoidosis or other DILD.  ...  Aim: Although DWI is useful for the assessment of lung cancer and mediastinal tumour, it is not clear whether DWI is useful for the assessment of pleural lesions.  ... 
doi:10.1186/s40644-018-0160-x fatcat:l3fdy44aunejnfamsnka5hfiwu

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 consider the penetration of microbubbles into the bowel lumen as a novel diagnostic feature for GVHD.  ...  This study evaluates the use of a novel post-processing filter for native CT images to detect early ischaemic infarct.  ...  In group 4 a triphasic protocol with an initial CM bolus followed by a NaCl/CM mixture and NaCl chaser bolus was used.  ... 
doi:10.1007/s00330-010-1887-3 pmid:20680292 fatcat:c73xl4gmnjbp5hahuek6dg2pcu

The 5th International Conference on Biomedical Engineering and Biotechnology (ICBEB 2016)

Shaoqing Wang, Xiancun Yang, Meixia Su, Qiang Liu, Tao Gong, Qi Mao, Shuguang Zhao, Fang Han, Keming Mao, Yixian Liu, Yanchun Zhu, Shuo Li (+149 others)
2016 BMC Medical Imaging  
There were significant differences in radiation dose and dosage of contrast agent (P < 0.05) between the two methods of using 3D-RA can improve the detection rate of micro-aneurysms, which bestows obvious  ...  Results 55 pieces of aneurysms were detected out from the 43 cases with intracranial micro-aneurysms by 3D-RA.  ...  of China (81101107) and Natural Science Foundation of Beijing (4162008). 32 Image quality assessment and enhancement of a thermal imager for photothermal therapy monitoring Fuwen Lai 1,2 , Mingwu Jin  ... 
doi:10.1186/s12880-016-0164-6 fatcat:cjwshnwiere6ziu5zc7sjic3xu

A combined local and global motion estimation and compensation method for cardiac CT

Qiulin Tang, Beshan Chiang, Akinola Akinyemi, Alexander Zamyatin, Bibo Shi, Satoru Nakanishi, Bruce R. Whiting, Christoph Hoeschen
2014 Medical Imaging 2014: Physics of Medical Imaging  
atlas prior to initialize an EM image labeling scheme using a statistical model of MRI intensities.  ...  We investigate the manifestation of speckle in propagation-based XPC images of mouse lungs acquired in situ by use of a benchtop imager.  ...  This is a manual process and can be time consuming in cases where several sections using different stains are required.  ... 
doi:10.1117/12.2043492 fatcat:fyzpc5m6jbh7fjohqpdmtzkhte

Renal Oncocytoma: The Diagnostic Challenge to Unmask the Double of Renal Cancer

Francesco Trevisani, Matteo Floris, Roberto Minnei, Alessandra Cinque
2022 International Journal of Molecular Sciences  
In our review, we will discuss the clinical implications of renal oncocytoma in daily clinical practice with a particular focus on the medical diagnosis and treatment and on the potential of novel promising  ...  Renal oncocytoma represents the most common type of benign neoplasm that is an increasing concern for urologists, oncologists, and nephrologists due to its difficult differential diagnosis and frequent  ...  Wu et al. conducted a comparative study between the CT features of 56 cases of oncocytoma and 54 of chRCC, using multidetector CT (MDCT).  ... 
doi:10.3390/ijms23052603 pmid:35269747 pmcid:PMC8910282 fatcat:7cwvuhl7yreabc2ymkgvlmor34

Multi-Parametric Magnetic Resonance Imaging-Based Radiomics Analysis of Cervical Cancer for Preoperative Prediction of Lymphovascular Space Invasion

Gang Huang, Yaqiong Cui, Ping Wang, Jialiang Ren, Lili Wang, Yaqiong Ma, Yingmei Jia, Xiaomei Ma, Lianping Zhao
2022 Frontiers in Oncology  
The models were validated by using a validation set.ResultsFeature selection extracted the six most important features (3 from sFOV HR-T2WI, 1 T2WI, 1 FS-T2WI, and 1 T1c) for model construction.  ...  A total of 1037 radiomics features obtained from conventional magnetic resonance imaging (MRI), including a small field-of-view (sFOV) high-resolution (HR)-T2-weighted MRI (T2WI), apparent diffusion coefficient  ...  Thus, using texture features and higher-order statistics may considerably characterize the tumor heterogeneity in CCs.  ... 
doi:10.3389/fonc.2021.663370 pmid:35096556 pmcid:PMC8790703 fatcat:3i3mrlz2sreehl76noeuk6wjzi

ECR 2012 Book of Abstracts - A - Postergraduate Educational Programme

2012 Insights into Imaging  
Molecular imaging represents a group of integrated and complementary methods that evaluate the biological information resolved in time and space in vivo, at high resolution and by using with specific probes  ...  Positron-emitting radionuclides for PET images, created in a cyclotron (18 F, 11C, 15O, 64Cu, 124I, 13N) or in a generator (68Ga), will be described.  ...  Whilst the pathways for the detection and staging of lung cancer are well known, the use of imaging for the detection of disease relapse are less well established.  ... 
doi:10.1007/s13244-012-0153-4 pmid:22696127 pmcid:PMC3481066 fatcat:te6ctbtakzh5njsw43geghw3ta
« Previous Showing results 1 — 15 out of 61 results