Browsing by Subject "Magnetic resonance imaging"

Now showing items 1-20 of 27

    • Conference Object  

      AM-FM texture image analysis in multiple sclerosis brain white matter lesions 

      Loizou, Christos P.; Murray, V.; Pattichis, Marios S.; Pantzaris, Marios C.; Seimenis, Ioannis; Pattichis, Constantinos S. (2010)
      In this study we investigate the use of multiscale Amplitude Modulation-Frequency Modulation (AM-FM) methods for analyzing brain white matter lesions that are associated with multiple sclerosis MRI lesions imaged at 0 and ...
    • Conference Object  

      Atherosclerotic carotid plaque segmentation 

      Loizou, Christos P.; Pattichis, Constantinos S.; Istepanian, Robert Sh Habib; Pantzaris, Marios C.; Nicolaïdes, Andrew N. (2004)
      Atherosclerosis is the major cause of heart attack and stroke in the western world. In this paper we present a computerized method for segmenting the athrerosclerotic carotid plaque from ultrasound images. The method uses ...
    • Article  

      Automatic Landmark Location for Analysis of Cardiac MRI Images 

      Jayne, C.; Lanitis, A.; Christodoulou, Chris C. (2012)
      This paper addresses the problem of automatic location of landmarks used for the analysis of MRI cardiac images. Typically the landmarks of shapes in MRI images are located manually which is a time consuming process requiring ...
    • Article  

      Biphasic modeling of brain tumor biomechanics and response to radiation treatment 

      Angeli, S.; Stylianopoulos, T. (2016)
      Biomechanical forces are central in tumor progression and response to treatment. This becomes more important in brain cancers where tumors are surrounded by tissues with different mechanical properties. Existing mathematical ...
    • Article  

      Bone pain in thalassaemia: assessment of DEXA and MRI findings 

      Angastiniotis, Michael; Pavlidis, Nicholas; Aristidou, K.; Kanakas, A.; Yerakaris, M.; Eracleous, E.; Posporis, T. (1998)
      An increasing number of adult thalassaemics have been complaining of aches and pains of varying degrees of severity. In a minority the pains are debilitating and there is stiffness in movement. This study is an attempt to ...
    • Conference Object  

      Brain MR image normalization in texture analysis of multiple sclerosis 

      Loizou, Christos P.; Pantzaris, Marios C.; Seimenis, Ioannis; Pattichis, Constantinos S. (2009)
      A problem that occurs in texture analysis and quantitative analysis of magnetic resonance imaging (MRI), is that the extracted results are not comparable between consecutive or repeated scans or, within the same scan, ...
    • Article  

      Brain white matter lesion classification in multiple sclerosis subjects for the prognosis of future disability 

      Loizou, Christos P.; Kyriacou, Efthyvoulos C.; Seimenis, Ioannis; Pantzaris, Marios C.; Petroudi, Styliani; Karaolis, Minas A.; Pattichis, Constantinos S. (2013)
      This study investigates the application of classification methods for the prognosis of future disability on MRI-detectable brain white matter lesions in subjects diagnosed with clinical isolated syndrome (CIS) of multiple ...
    • Article  

      Brain white matter lesions classification in multiple sclerosis subjects for the prognosis of future disability 

      Loizou, Christos P.; Kyriacou, Efthyvoulos C.; Seimenis, Ioannis; Pantzaris, Marios C.; Christodoulou, Chris C.; Pattichis, Constantinos S. (2011)
      This study investigates the application of classification methods for the prognosis of future disability on MRI-detectable brain white matter lesions in subjects diagnosed with clinical isolated syndrome (CIS) of multiple ...
    • Article  

      Cancer of unknown primary site 

      Pavlidis, Nicholas; Pentheroudakis, George (2012)
      Cancer of unknown primary site (CUP) is a well recognised clinical disorder, accounting for 3-5 of all malignant epithelial tumours. CUP is clinically characterised as an aggressive disease with early dissemination. ...
    • Article  

      Effect of posture change on the geometric features of the healthy carotid bifurcation 

      Aristokleous, Nicolas; Seimenis, Ioannis; Papaharilaou, Yannis; Georgiou, Georgios C.; Brott, B. C.; Eracleous, Eleni A.; Anayiotos, Andreas S. (2011)
      Segmented cross-sectional MRI images were used to construct 3-D virtual models of the carotid bifurcation in ten healthy volunteers. Geometric features, such as bifurcation angle, internal carotid artery (ICA) angle, ...
    • Conference Object  

      Head posture influences the geometric and hemodynamic features on the healthy human carotid bifurcation 

      Aristokleous, Nicolas; Seimenis, Ioannis; Papaharilaou, Yannis; Khozeymeh, M. I.; Georgiou, Georgios C.; Brott, B. C.; Anayiotos, Andreas S. (2012)
      Atherosclerosis is the third leading cause of morbidity and mortality in the Western world. Low and oscillating wall shear stress (WSS) regions have been previously reported as parameters that correlate with the development ...
    • Article  

      Impact of head rotation on the individualized common carotid flow and carotid bifurcation hemodynamics 

      Aristokleous, Nicolas; Seimenis, Ioannis; Georgiou, Georgios C.; Papaharilaou, Yannis; Brott, B. C.; Nicolaïdes, Andrew N.; Anayiotos, Andreas S. (2014)
      This paper aims at evaluating the changes that head rotation poses on morphological and flow characteristics of the carotid bifurcation (CB) and on the distribution of parameters that are regarded as important in atherosclerosis ...
    • Doctoral Thesis  Open Access

      Investigation of physiological variability effects on fMRI dynamic functional connectivity 

      Nikolaou, Foivia N. (Πανεπιστήμιο Κύπρου, Πολυτεχνική Σχολή / University of Cyprus, Faculty of Engineering, 2018-04)
      Η λειτουργική μαγνητική νευροαπεικόνιση σε κατάσταση ηρεμίας (rs-fMRI) είναι μια ισχυρή και σύγχρονη μέθοδος λειτουργικής απεικόνισης του εγκεφάλου που μπορεί να χρησιμοποιηθεί για την αξιολόγηση των αλληλεπιδράσεων που ...
    • Article  

      Lung cancer in the pregnant woman: To treat or not to treat, that is the question 

      Jr, H. A. Azim; Peccatori, Fedro A.; Pavlidis, Nicholas (2010)
      Lung cancer in pregnancy is a rare situation; however, it is increasingly reported in the past two decades. The association might be more encountered in the coming years due to the rising trends of cigarette smoking among ...
    • Conference Object  

      Mechanical stress regulates tissue oxygenation, cancer cell proliferation and drug delivery during progression of solid tumors 

      Mpekris, F.; Angeli, S.; Pirentis, A. P.; Stylianopoulos, T. (Springer Verlag, 2016)
      Oxygen supply plays a central role in cancer cell proliferation. While vascular density increases at the early stages of carcinogenesis, mechanical solid stresses developed during growth compress tumor blood vessels and, ...
    • Doctoral Thesis  Open Access

      The mechanics of brain tissue in pathological conditions 

      Angeli, Stelios I. (Πανεπιστήμιο Κύπρου, Πολυτεχνική Σχολή / University of Cyprus, Faculty of Engineering, 2017-12)
      Οι μηχανικές τάσεις είναι κεντρικής σημασίας στην ανάπτυξη των όγκων στον εγκέφαλο και στην ανταπόκριση τους κατά τη θεραπεία, εφόσον αυτοί περιτριγυρίζονται από ιστούς με μεγάλη διαφοροποίηση των μηχανικών τους ιδιοτήτων. ...
    • Article  

      MRI-based morphological modeling, synthesis and characterization of cardiac tissue-mimicking materials 

      Kossivas, Fotis; Angeli, Stelios I.; Kafouris, Demetris; Patrickios, Costas S.; Tzagarakis, V.; Constantinides, Christakis (2012)
      This study uses standard synthetic methodologies to produce tissue-mimicking materials that match the morphology and emulate the in vivo murine and human cardiac mechanical and imaging characteristics, with dynamic mechanical ...
    • Article  

      Multiscale amplitude-modulation frequency-modulation (AMFM) texture analysis of multiple sclerosis in brain MRI images 

      Loizou, Christos P.; Murray, V.; Pattichis, Marios S.; Seimenis, Ioannis; Pantzaris, Marios C.; Pattichis, Constantinos S. (2011)
      This study introduces the use of multiscale amplitude modulation-frequency modulation (AM-FM) texture analysis of multiple sclerosis (MS) using magnetic resonance (MR) images from brain. Clinically, there is interest in ...
    • Conference Object  

      An overview of quantitative magnetic resonance imaging analysis studies in the assessment of alzheimer’s disease 

      Leandrou, Stephanos; Petroudi, Styliani; Kyriacou, Panicos A.; Reyes-Aldasoro, C. C.; Pattichis, Constantinos S. (Springer Verlag, 2016)
      Medical image analysis and visualization, can contribute in quantitative and qualitative analysis of Magnetic Resonance Imaging (MRI) towards an earlier diagnosis of Alzheimer’s disease (AD). Moreover, the early detection ...
    • Article  

      Paraganglioma of cauda equina 

      Iliadis, Charalambos; Kirgiannis, Kosmas; Wozniak, Greta; Vlychou, M.; Santarius, T.; Kirollos, Ramez W. (2008)
      The clinical, radiological and pathological features of a paraganglioma resulting in cauda equina syndrome are described, including magnetic resonance imaging features. The literature is reviewed and discussed.