Works matching AU Kollias, Spyros

Results: 81

Target definition and trajectory optimization for interactive MR-guided biopsies of brain tumors in an open configuration MRI system.

Published in:

1998

By:

Kollias, Spyros S.;
Bernays, Rene;
Marugg, Richard A.;
Romanowski, Ben;
Yonekawa, Yasuhiro;
Valavanis, Anton;
Kollias, S S;
Bernays, R;
Marugg, R A;
Romanowski, B;
Yonekawa, Y;
Valavanis, A

Publication type:

journal article

Comparison of T2-weighted spin-echo and fast spin-echo techniques in the evaluation of myelination.

Published in:

1994

By:

Prenger, Erin C.;
Beckett, William W.;
Kollias, Spyros S.;
Ball, William S.;
Prenger, E C;
Beckett, W W;
Kollias, S S;
Ball, W S Jr

Publication type:

journal article

Impact of fMRI-guided advanced DTI fiber tracking techniques on their clinical applications in patients with brain tumors.

Published in:

Neuroradiology, 2010, v. 52, n. 1, p. 37, doi. 10.1007/s00234-009-0539-2

By:

Kleiser, Raimund;
Staempfli, Philipp;
Valavanis, Anton;
Boesiger, Peter;
Kollias, Spyros

Publication type:

Article

Functional magnetic resonance imaging of the human spinal cord during vibration stimulation of different dermatomes.

Published in:

Neuroradiology, 2008, v. 50, n. 3, p. 273, doi. 10.1007/s00234-007-0338-6

By:

Lawrence, Jane M.;
Stroman, Patrick W.;
Kollias, Spyros S.

Publication type:

Article

Metal artefact reduction from dental hardware in carotid CT angiography using iterative reconstructions.

Published in:

European Radiology, 2013, v. 23, n. 10, p. 2687, doi. 10.1007/s00330-013-2885-z

By:

Morsbach, Fabian;
Wurnig, Moritz;
Kunz, Daniel;
Krauss, Andreas;
Schmidt, Bernhard;
Kollias, Spyros;
Alkadhi, Hatem

Publication type:

Article

Widespread White Matter Alterations in Patients With Visual Snow Syndrome.

Published in:

Frontiers in Neurology, 2021, v. 12, p. 1, doi. 10.3389/fneur.2021.723805

By:

Michels, Lars;
Stämpfli, Philipp;
Aldusary, Njoud;
Piccirelli, Marco;
Freund, Patrick;
Weber, Konrad P.;
Fierz, Fabienne C.;
Kollias, Spyros;
Traber, Ghislaine

Publication type:

Article

Contrast-Enhanced PET/MR Imaging Versus Contrast-Enhanced PET/CT in Head and Neck Cancer: How Much MR Information Is Needed?

Published in:

Journal of Nuclear Medicine, 2014, v. 55, n. 4, p. 551, doi. 10.2967/jnumed.113.125443

By:

Kuhn, Felix P.;
Hüllner, Martin;
Mader, Caecilia E.;
Kastrinidis, Nikos;
Huber, Gerhard F.;
von Schulthess, Gustav K.;
Kollias, Spyros;
Veit-Haibach, Patrick

Publication type:

Article

Neurochemical profile of the human cervical spinal cord determined by MRS.

Published in:

NMR in Biomedicine, 2016, v. 29, n. 10, p. 1464, doi. 10.1002/nbm.3589

By:

Hock, Andreas;
Wilm, Bertram;
Zandomeneghi, Giorgia;
Ampanozi, Garyfalia;
Franckenberg, Sabine;
Zoelch, Niklaus;
Wyss, Patrik Oliver;
De Zanche, Nicola;
Nordmeyer‐Maßner, Jurek;
Kraemer, Thomas;
Thali, Michael;
Ernst, Matthias;
Kollias, Spyros;
Henning, Anke

Publication type:

Article

Electrocardiogram-triggered, higher order, projection-based B<sub>0</sub> shimming allows for fast and reproducible shim convergence in spinal cord <sup>1</sup>H MRS.

Published in:

NMR in Biomedicine, 2013, v. 26, n. 3, p. 329, doi. 10.1002/nbm.2852

By:

Hock, Andreas;
Fuchs, Alexander;
Boesiger, Peter;
Kollias, Spyros S.;
Henning, Anke

Publication type:

Article

Comparative velocity investigations in cerebral arteries and aneurysms: 3D phase-contrast MR angiography, laser Doppler velocimetry and computational fluid dynamics.

Published in:

NMR in Biomedicine, 2009, v. 22, n. 8, p. 795, doi. 10.1002/nbm.1389

By:

Hollnagel, Dorothea I.;
Summers, Paul E.;
Poulikakos, Dimos;
Kollias, Spyros S.

Publication type:

Article

Magnetic Resonance Analysis of Suprasellar Tumors of Childhood.

Published in:

Pediatric Neurosurgery, 1991, v. 17, n. 6, p. 284, doi. 10.1159/000120613

By:

Kollias, Spyros S.;
Barkovich, James;
Edwards, Michael S.B.

Publication type:

Article

Disrupted longitudinal restoration of brain connectivity during weight normalization in severe anorexia nervosa.

Published in:

Translational Psychiatry, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41398-023-02428-z

By:

Kaufmann, Lisa-Katrin;
Hänggi, Jürgen;
Jäncke, Lutz;
Baur, Volker;
Piccirelli, Marco;
Kollias, Spyros;
Schnyder, Ulrich;
Martin-Soelch, Chantal;
Milos, Gabriella

Publication type:

Article

Growth of arachnoid cysts in patients with autosomal dominant polycystic kidney disease: serial imaging and clinical relevance.

Published in:

Clinical Kidney Journal, 2012, v. 5, n. 5, p. 405, doi. 10.1093/ckj/sfs111

By:

Krauer, Fabienne;
Ahmadli, Uzeyir;
Kollias, Spyros;
Bleisch, Jörg;
Wüthrich, Rudolf P.;
Serra, Andreas L.;
Poster, Diane

Publication type:

Article

Balo's Concentric Sclerosis with Acute Presentation and Co-Existing Multiple Sclerosis-Typical Lesions on MRI.

Published in:

Case Reports in Neurology, 2015, v. 7, n. 1, p. 44, doi. 10.1159/000380813

By:

Purohit, Bela;
Ganewatte, Eranga;
Schreiner, Bettina;
Kollias, Spyros

Publication type:

Article

A Reliability Study on Brain Activation During Active and Passive Arm Movements Supported by an MRI-Compatible Robot.

Published in:

Brain Topography, 2014, v. 27, n. 6, p. 731, doi. 10.1007/s10548-014-0355-9

By:

Estévez, Natalia;
Yu, Ningbo;
Brügger, Mike;
Villiger, Michael;
Hepp-Reymond, Marie-Claude;
Riener, Robert;
Kollias, Spyros

Publication type:

Article

Glucocorticoid Therapy-Induced Memory Deficits: Acute versus Chronic Effects.

Published in:

Journal of Neuroscience, 2008, v. 28, n. 13, p. 3474, doi. 10.1523/JNEUROSCI.4893-07.2008

By:

Coluccia, Daniel;
Wolf, Oliver T.;
Kollias, Spyros;
Roozendaal, Benno;
Forster, Adrian;
De Quervain, Dominique J.-F.

Publication type:

Article

Arterial spin labeling imaging reveals widespread and Aβ-independent reductions in cerebral blood flow in elderly apolipoprotein epsilon-4 carriers.

Published in:

Journal of Cerebral Blood Flow & Metabolism, 2016, v. 36, n. 3, p. 581, doi. 10.1177/0271678X15605847

By:

Michels, Lars;
Warnock, Geoffrey;
Buck, Alfred;
Macauda, Gianluca;
Leh, Sandra E.;
Kaelin, Andrea M.;
Riese, Florian;
Meyer, Rafael;
O'Gorman, Ruth;
Hock, Christoph;
Kollias, Spyros;
Gietl, Anton F.

Publication type:

Article

Protocol for a prospective magnetic resonance imaging study on supraspinal lower urinary tract control in healthy subjects and spinal cord injury patients undergoing intradetrusor onabotulinumtoxinA injections for treating neurogenic detrusor overactivity.

Published in:

BMC Urology, 2014, v. 14, n. 1, p. 68, doi. 10.1186/1471-2490-14-68

By:

Leitner, Lorenz;
Walter, Matthias;
Freund, Patrick;
Mehnert, Ulrich;
Michels, Lars;
Kollias, Spyros;
Kessler, Thomas M.

Publication type:

Article

Protocol for a prospective magnetic resonance imaging study on supraspinal lower urinary tract control in healthy subjects and spinal cord injury patients undergoing intradetrusor onabotulinumtoxinA injections for treating neurogenic detrusor overactivity.

Published in:

2014

By:

Leitner, Lorenz;
Walter, Matthias;
Freund, Patrick;
Mehnert, Ulrich;
Michels, Lars;
Kollias, Spyros;
Kessler, Thomas M

Publication type:

journal article

Brainstem cavernoma surgery with the support of pre- and postoperative diffusion tensor imaging: initial experiences and clinical course of 23 patients.

Published in:

Neurosurgical Review, 2014, v. 37, n. 3, p. 481, doi. 10.1007/s10143-014-0550-x

By:

Ulrich, Nils;
Kockro, Ralf;
Bellut, David;
Amaxopoulou, Christina;
Bozinov, Oliver;
Burkhardt, Jan-Karl;
Sarnthein, Johannes;
Kollias, Spyros;
Bertalanffy, Helmut

Publication type:

Article

Age influences structural brain restoration during weight gain therapy in anorexia nervosa.

Published in:

Translational Psychiatry, 2020, v. 10, n. 1, p. 1, doi. 10.1038/s41398-020-0809-7

By:

Kaufmann, Lisa-Katrin;
Hänggi, Jürgen;
Jäncke, Lutz;
Baur, Volker;
Piccirelli, Marco;
Kollias, Spyros;
Schnyder, Ulrich;
Martin-Soelch, Chantal;
Milos, Gabriella

Publication type:

Article

EEG-fMRI Signal Coupling Is Modulated in Subjects With Mild Cognitive Impairment and Amyloid Deposition.

Published in:

Frontiers in Aging Neuroscience, 2021, v. 13, p. N.PAG, doi. 10.3389/fnagi.2021.631172

By:

Michels, Lars;
Riese, Florian;
Meyer, Rafael;
Kälin, Andrea M.;
Leh, Sandra E.;
Unschuld, Paul G.;
Luechinger, Roger;
Hock, Christoph;
O'Gorman, Ruth;
Kollias, Spyros;
Gietl, Anton

Publication type:

Article

Improvement in precision grip force control with self-modulation of primary motor cortex during motor imagery.

Published in:

Frontiers in Behavioral Neuroscience, 2015, v. 9, p. 1, doi. 10.3389/fnbeh.2015.00018

By:

Blefari, Maria L.;
Sulzer, James;
Hepp-Reymond, Marie-Claude;
Kollias, Spyros;
Gassert, Roger

Publication type:

Article

Symptom dimensions are associated with reward processing in unmedicated persons at risk for psychosis.

Published in:

Frontiers in Behavioral Neuroscience, 2014, v. 8, p. 1, doi. 10.3389/fnbeh.2014.00382

By:

Wotruba, Diana;
Heekeren, Karsten;
Michels, Lars;
Buechler, Roman;
Simon, Joe J.;
Theodoridou, Anastasia;
Kollias, Spyros;
Rössler, Wulf;
Kaiser, Stefan

Publication type:

Article

Cortical Volume Differences in Subjects at Risk for Psychosis Are Driven by Surface Area.

Published in:

Schizophrenia Bulletin, 2020, v. 46, n. 6, p. 1511, doi. 10.1093/schbul/sbaa066

By:

Buechler, Roman;
Wotruba, Diana;
Michels, Lars;
Theodoridou, Anastasia;
Metzler, Sibylle;
Walitza, Susanne;
Hänggi, Jürgen;
Kollias, Spyros;
Rössler, Wulf;
Heekeren, Karsten

Publication type:

Article

Aberrant Coupling Within and Across the Default Mode, Task-Positive, and Salience Network in Subjects at Risk for Psychosis.

Published in:

2014

By:

Wotruba, Diana;
Michels, Lars;
Buechler, Roman;
Metzler, Sibylle;
Theodoridou, Anastasia;
Gerstenberg, Miriam;
Walitza, Susanne;
Kollias, Spyros;
Rössler, Wulf;
Heekeren, Karsten

Publication type:

Journal Article

Aberrant Coupling Within and Across the Default Mode, Task-Positive, and Salience Network in Subjects at Risk for Psychosis.

Published in:

Schizophrenia Bulletin, 2014, v. 40, n. 5, p. 1095, doi. 10.1093/schbul/sbt161

By:

Wotruba, Diana;
Michels, Lars;
Buechler, Roman;
Metzler, Sibylle;
Theodoridou, Anastasia;
Gerstenberg, Miriam;
Walitza, Susanne;
Kollias, Spyros;
Rössler, Wulf;
Heekeren, Karsten

Publication type:

Article

Ultrafast bold fMRI using single-shot spin-echo echo planar imaging.

Published in:

Journal of Medical Physics, 2009, v. 34, n. 1, p. 37, doi. 10.4103/0971-6203.48719

By:

Boujraf, Saïd;
Summers, Paul;
Belahsen, Faouzi;
Prüssmann, Klaas;
Kollias, Spyros

Publication type:

Article

Morphological differences in Parkinson’s disease with and without rest tremor.

Published in:

Journal of Neurology, 2009, v. 256, n. 2, p. 256, doi. 10.1007/s00415-009-0092-2

By:

Benninger, David H.;
Thees, Sebastian;
Kollias, Spyros S.;
Bassetti, Claudio L.;
Waldvogel, Daniel

Publication type:

Article

Use of diffusion-weighted imaging (DWI) in PET/MRI for head and neck cancer evaluation.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2014, v. 41, n. 12, p. 2212, doi. 10.1007/s00259-014-2867-7

By:

Queiroz, Marcelo;
Hüllner, Martin;
Kuhn, Felix;
Huber, Gerhardt;
Meerwein, Christian;
Kollias, Spyros;
Schulthess, Gustav;
Veit-Haibach, Patrick

Publication type:

Article

PET/MRI and PET/CT in follow-up of head and neck cancer patients.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2014, v. 41, n. 6, p. 1066, doi. 10.1007/s00259-014-2707-9

By:

Queiroz, Marcelo;
Hüllner, Martin;
Kuhn, Felix;
Huber, Gerhardt;
Meerwein, Christian;
Kollias, Spyros;
Schulthess, Gustav;
Veit-Haibach, Patrick

Publication type:

Article

Movement Observation Activates Lower Limb Motor Networks in Chronic Complete Paraplegia.

Published in:

Neurorehabilitation & Neural Repair, 2011, v. 25, n. 5, p. 469, doi. 10.1177/1545968310389184

By:

Hotz-Boendermaker, Sabina;
Hepp-Reymond, Marie-Claude;
Curt, Armin;
Kollias, Spyros S.

Publication type:

Article

Considering non‐bladder aetiologies of overactive bladder: a functional neuroimaging study.

Published in:

BJU International, 2021, v. 128, n. 5, p. 586, doi. 10.1111/bju.15354

By:

Walter, Matthias;
Leitner, Lorenz;
Betschart, Cornelia;
Engeler, Daniel S.;
Freund, Patrick;
Kessler, Thomas M.;
Kollias, Spyros;
Liechti, Martina D.;
Scheiner, David A.;
Michels, Lars;
Mehnert, Ulrich

Publication type:

Article

A case report on 1-year follow-up of bilateral thalamic glioma.

Published in:

Neuroradiology Journal, 2015, v. 28, n. 6, p. 584, doi. 10.1177/1971400915609342

By:

Ganewatte, Eranga;
Al-Zahrani, Yahea;
Purohit, Bela;
Kollias, Spyros

Publication type:

Article

Early detection of cervical spondylotic myelopathy using diffusion tensor imaging: Experiences in 1.5-tesla magnetic resonance imaging.

Published in:

Neuroradiology Journal, 2015, v. 28, n. 5, p. 508, doi. 10.1177/1971400915609339

By:

Ahmadli, Uzeyir;
Ulrich, Nils H.;
Yuqiang, Yao;
Nanz, Daniel;
Sarnthein, Johannes;
Kollias, Spyros S.

Publication type:

Article

Recurrent unilateral peripheral facial palsy in a patient with an enlarged styloid process.

Published in:

Head & Neck, 2019, v. 41, n. 3, p. E34, doi. 10.1002/hed.25384

By:

Péus, Dominik;
Kollias, Spyros S.;
Huber, Alexander M.;
Huber, Gerhard F.

Publication type:

Article

Local resectability assessment of head and neck cancer: Positron emission tomography/MRI versus positron emission tomography/CT.

Published in:

Head & Neck, 2017, v. 39, n. 8, p. 1550, doi. 10.1002/hed.24783

By:

Sekine, Tetsuro;
Barbosa, Felipe de Galiza;
Delso, Gaspar;
Burger, Irene A.;
Stolzmann, Paul;
ter Voert, Edwin E.;
Huber, Gerhard F.;
Kollias, Spyros S.;
von Schulthess, Gustav K.;
Veit‐Haibach, Patrick;
Huellner, Martin W.

Publication type:

Article

Changes of non-affected upper limb cortical representation in paraplegic patients as assessed by fMRI.

Published in:

2002

By:

Curt A;
Alkadhi H;
Crelier GR;
Boendermaker SH;
Hepp-Reymond M;
Kollias SS;
Curt, Armin;
Alkadhi, Hatem;
Crelier, Gérard R;
Boendermaker, Sabina Hotz;
Hepp-Reymond, Marie-Claude;
Kollias, Spyros S

Publication type:

journal article

Changes of non‐affected upper limb cortical representation in paraplegic patients as assessed by fMRI.

Published in:

Brain: A Journal of Neurology, 2002, v. 125, n. 11, p. 2567, doi. 10.1093/brain/awf250

By:

Curt, Armin;
Alkadhi, Hatem;
Crelier, Gérard R.;
Boendermaker, Sabina Hotz;
Hepp‐Reymond, Marie‐Claude;
Kollias, Spyros S.

Publication type:

Article

McLeod syndrome: a novel mutation, predominant psychiatric manifestations, and distinct striatal imaging findings.

Published in:

2001

By:

Jung, Hans H.;
Hergersberg, Martin;
Kneifel, Stefan;
Alkadhi, Hatem;
Schiess, Regula;
Weigell-Weber, Maike;
Daniels, Geoff;
Kollias, Spyros;
Hess, Klaus;
Jung, H H;
Hergersberg, M;
Kneifel, S;
Alkadhi, H;
Schiess, R;
Weigell-Weber, M;
Daniels, G;
Kollias, S;
Hess, K

Publication type:

journal article

Acute Wallerian degeneration of middle cerebellar peduncles due to basilar artery thrombosis.

Published in:

Indian Journal of Radiology & Imaging, 2013, v. 23, n. 2, p. 164, doi. 10.4103/0971-3026.116581

By:

Gala, Foram;
Becker, Anton;
Pfeiffer, Markus;
Kollias, Spyros

Publication type:

Article

A novel infusion-drainage device to assess lower urinary tract function in neuro-imaging.

Published in:

BJU International, 2017, v. 119, n. 2, p. 305, doi. 10.1111/bju.13655

By:

Leitner, Lorenz;
Walter, Matthias;
Jarrahi, Behnaz;
Wanek, Johann;
Diefenbacher, Jörg;
Michels, Lars;
Liechti, Martina D.;
Kollias, Spyros S.;
Kessler, Thomas M.;
Mehnert, Ulrich

Publication type:

Article

Differential functional brain network connectivity during visceral interoception as revealed by independent component analysis of fMRI time-series.

Published in:

Human Brain Mapping, 2015, v. 36, n. 11, p. 4438, doi. 10.1002/hbm.22929

By:

Jarrahi, Behnaz;
Mantini, Dante;
Balsters, Joshua Henk;
Michels, Lars;
Kessler, Thomas M.;
Mehnert, Ulrich;
Kollias, Spyros S.

Publication type:

Article

The supraspinal neural correlate of bladder cold sensation-An fMRI study.

Published in:

Human Brain Mapping, 2011, v. 32, n. 6, p. 835, doi. 10.1002/hbm.21070

By:

Mehnert, Ulrich;
Michels, Lars;
Zempleni, Monika-Zita;
Schurch, Brigitte;
Kollias, Spyros

Publication type:

Article

Differential force scaling of fine-graded power grip force in the sensorimotor network.

Published in:

Human Brain Mapping, 2009, v. 30, n. 8, p. 2453, doi. 10.1002/hbm.20676

By:

Keisker, Birgit;
Hepp-Reymond, Marie-Claude;
Blickenstorfer, Armin;
Meyer, Martin;
Kollias, Spyros S.

Publication type:

Article

Cortical and subcortical correlates of functional electrical stimulation of wrist extensor and flexor muscles revealed by fMRI.

Published in:

Human Brain Mapping, 2009, v. 30, n. 3, p. 963, doi. 10.1002/hbm.20559

By:

Blickenstorfer, Armin;
Kleiser, Raimund;
Keller, Thierry;
Keisker, Birgit;
Meyer, Martin;
Riener, Robert;
Kollias, Spyros

Publication type:

Article

Electrophysiological and hemodynamic evidence for late maturation of hand power grip and force control under visual feedback.

Published in:

Human Brain Mapping, 2007, v. 28, n. 1, p. 69, doi. 10.1002/hbm.20262

By:

Halder, Pascal;
Brem, Silvia;
Bucher, Kerstin;
Boujraf, Said;
Summers, Paul;
Dietrich, Thomas;
Kollias, Spyros;
Martin, Ernst;
Brandeis, Daniel

Publication type:

Article

McLeod phenotype associated with a XK missense mutation without hematologic, neuromuscular, or cerebral involvement.

Published in:

2003

By:

Jung, Hans H.;
Hergersberg, Martin;
Vogt, Marco;
Pahnke, Jens;
Treyer, Valerie;
Röthlisberger, Benno;
Kollias, Spyros S.;
Russo, David;
Frey, Beat M.;
Röthlisberger, Benno

Publication type:

journal article

Supraspinal Control of Urine Storage and Micturition in Men--An fMRI Study.

Published in:

Cerebral Cortex, 2015, v. 25, n. 10, p. 3369, doi. 10.1093/cercor/bhu140

By:

Michels, Lars;
Blok, Bertil F. M.;
Gregorini, Flavia;
Kurz, Michael;
Schurch, Brigitte;
Kessler, Thomas M.;
Kollias, Spyros;
Mehnert, Ulrich

Publication type:

Article

What Disconnection Tells about Motor Imagery: Evidence from Paraplegic Patients.

Published in:

Cerebral Cortex, 2005, v. 15, n. 2, p. 131, doi. 10.1093/cercor/bhh116

By:

Alkadhi, Hatem;
Brugger, Peter;
Boendermaker, Sabina Hotz;
Crelier, Gerard;
Curt, Armin;
Hepp-Reymond, Marie-Claude;
Kollias, Spyros S.

Publication type:

Article