Research Topics
| T R C JohnsonSummaryAffiliation: University of Munich Country: Germany Publications
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Detail Information
Publications
Dual-energy CT for the evaluation of silicone breast implantsThorsten R C Johnson
Department of Clinical Radiology, University of Munich Grosshadern Campus, Marchioninistr 15, 81377 Munich, Germany
Eur Radiol 23:991-6. 2013..Our objective was to evaluate whether it is feasible to identify silicone in breast implants by dual-energy CT and to reliably diagnose or rule out ruptures...
[An unusual breast tumor]T R C Johnson
Institut fur Klinische Radiologie, Klinikum Grosshadern der Ludwig Maximilians Universität, Munchen, Deutschland
Radiologe 49:942-5. 2009..The presented case shows how difficult it can be to diagnose rare diseases if they present with masses in atypical locations. In an extensive further diagnostic workup other characteristic findings then point to the correct diagnosis...
Dual-source CT for chest pain assessmentThorsten R C Johnson
Department of Clinical Radiology, University of Munich, Munich, Germany
Eur Radiol 18:773-80. 2008..Correlation to invasive coronary angiography showed 100% sensitivity and negative predictive value for coronary stenoses. Dual-source CT offers a comprehensive, robust and fast chest pain assessment...
Diagnostic accuracy of dual-source computed tomography in the diagnosis of coronary artery diseaseThorsten R C Johnson
Department Clinical Radiology, Medical Clinic I, University of Munich, Grosshadern Campus, Munich, Germany
Invest Radiol 42:684-91. 2007....
Myocardial tagging with steady state free precession techniques and semi-automatic postprocessing--impact on diagnostic valueThorsten R C Johnson
Department of Clinical Radiology, Grosshadern Hospital, Ludwig Maximilians University, Munich, Germany
Eur Radiol 17:2218-24. 2007..Tagging sequences with SSFP readout at 1.5 T make a semi-automatic evaluation of the whole cardiac cycle feasible in a large share of patients...
Optimization of contrast material administration for electrocardiogram-gated computed tomographic angiography of the chestThorsten R C Johnson
Department of Clinical Radiology, Medical Clinic I, University of Munich Grosshadern Campus, Marchioninistrasse, Munich, Germany
J Comput Assist Tomogr 31:265-71. 2007..Electrocardiogram-gated computed tomographic angiography is increasingly used in the differential diagnosis of acute chest pain. We studied the optimal timing of contrast material injection using a test bolus and a bolus-tracking technique...
[Dual-source CT in chest pain diagnosis]Thorsten R C Johnson
Institut fur Klinische Radiologie, Klinikum Grosshadern der Ludwig Maximilians Universität München, Marchioninistr 15, 81377, Munchen, Deutschland
Radiologe 47:301-9. 2007..The aim of this study was to assess the diagnostic accuracy of dual-source CT in this patient group...
ECG-gated 64-MDCT angiography in the differential diagnosis of acute chest painThorsten R C Johnson
Department of Clinical Radiology, University of Munich, Grosshadern Campus, Marchioninistrasse 15, 81377 Munich, Germany
AJR Am J Roentgenol 188:76-82. 2007..The purpose of this study was to evaluate the diagnostic value of an ECG-gated 64-MDCT angiography protocol for simultaneous assessment of the pulmonary arteries, coronary arteries, and aorta within a single breath-hold...
Material differentiation by dual energy CT: initial experienceThorsten R C Johnson
Department of Clinical Radiology, University of Munich Grosshadern Campus, Marchioninistrasse 15, 81377 Munich, Germany
Eur Radiol 17:1510-7. 2007..Dual energy CT offers a more specific tissue characterization in CT and can improve the assessment of vascular disease. Further studies are required to draw conclusions on the diagnostic value of the individual applications...
[Quantitative analysis of left ventricular wall motion with MRI tagging]T Johnson
Institut fur Klinische Radiologie, Klinikum Grosshadern der Ludwig Maximilians Universität München
Radiologe 44:158-63. 2004..This evaluation method was to be applied to characterize the physiological contraction cycle and to determine pathophysiological changes...
Images in cardiovascular medicine. Detection of cardiac metastasis by positron-emission tomography-computed tomographyThorsten R C Johnson
Department of Clinical Radiology, University of Munich, Munich, Germany
Circulation 112:e61-2. 2005
Dual-source CT cardiac imaging: initial experienceThorsten R C Johnson
Department of Clinical Radiology, University of Munich Grosshadern Campus, Marchioninistrasse 15, 81377, Munich, Germany
Eur Radiol 16:1409-15. 2006..Dual-source CT offers very robust diagnostic image quality in a wide range of heart rates. The high temporal resolution now also makes a functional evaluation of the heart valves and myocardium possible...
[Quantification of right ventricular function in congenital heart disease: correlation of 3D echocardiography and MRI as complementary methods]T R Johnson
Institut fur Klinische Radiologie, Universität München Klinikum Grosshadern
Rofo 178:1014-21. 2006..The aim of this study was to correlate the parameters of the right ventricular function in MRI and 3D echocardiography to determine the agreement of both modalities...
Dual Energy CT lung perfusion imaging--correlation with SPECT/CTS F Thieme
Department of Clinical Radiology, Ludwig Maximilians University, Klinikum Grosshadern, Marchioninistr 15, D 81377 Munchen, Germany
Eur J Radiol 81:360-5. 2012..Aims were (1) to determine the diagnostic accuracy of Dual Energy CT (DECT) in the detection of perfusion defects and (2) to evaluate the potential of DECT to improve the sensitivity for PE...
Quantitative assessment of left ventricular function with dual-source CT in comparison to cardiac magnetic resonance imaging: initial findingsS Busch
Department of Clinical Radiology, University of Munich, Marchioninistr 15, 81377, Munich, Germany
Eur Radiol 18:570-5. 2008..The observed differences in the measured values may be due to different post-processing methods and physiological reactions to contrast material injection without beta-blocker medication...
Three-dimensional pelvimetry by computed tomographyM Lenhard
Department of Obstetrics and Gynecology, Ludwig Maximilians University Munich, Campus Grosshadern, Munich, Germany
Radiol Med 114:827-34. 2009..This study was undertaken to assess the agreement of computed tomography (CT) pelvimetry with different postprocessing techniques...
[Pre- and postsurgical diagnostics with dual-source computed tomography in cardiac surgery]K Nikolaou
Institut fur Klinische Radiologie, Klinikum Grosshadern der Ludwig Maximilians Universität München, Marchioninistr 15, 81377, Munchen, Deutschland
Radiologe 47:310-8. 2007..The aim of this study was to evaluate the clinical potential of dual-source computed tomography (DSCT) in pre- and postsurgical diagnostics in the field of cardiac surgery...
Imaging of aortic abnormalities with contrast-enhanced ultrasound. A pictorial comparison with CTD A Clevert
Department of Clinical Radiology, University of Munich Grosshadern, Munich, Germany
Eur Radiol 17:2991-3000. 2007..This review compares CEUS findings with those documented on computed tomography angiography (CTA), allowing the reader to appreciate the usefulness of CEUS in this clinical situation...
Contrast enhanced ultrasound and Dual Source CT of left atrial myxomaD A Clevert
Department of Clinical Radiology, University of Munich Grosshadern Campus, Munich, Germany
Ultraschall Med 28:622-5. 2007..Contrast enhanced ultrasound (CEUS) seems to be a promising new diagnostic option for diagnosis and preoperative planning of treatment for patients with myxoma. It is an additional examination to baseline ultrasound and CT or MRT...
Assessment of radiation exposure on a dual-source computed tomography-scanner performing coronary computed tomography-angiographyS Kirchhoff
Institute of Clinical Radiology, University Hospital Munich Grosshadern, Ludwig Maximilians Universitat Munchen, Klinikum Grosshadern, Marchioninistrasse 15, 81377 Munich, Germany
Eur J Radiol 74:e181-5. 2010....
[Quantification of coronary artery stenoses: comparison of 64-slice and dual source CT angiography with cardiac catheterization]Stephanie Busch
Institut fur Klinische Radiologie, Klinikum Grosshadern der Ludwig Maximilians Universität München, Marchioninistr 15, 81377, Munchen, Deutschland
Radiologe 47:295-300. 2007..New software tools for semiquantitative analysis (CT-QCA, quantitative coronary assessment) might be adequate to improve the diagnostic accuracy und reproducibility...
High-grade stenoses of the internal carotid artery: comparison of high-resolution contrast enhanced 3D MRA, duplex sonography and power Doppler imagingD A Clevert
Department of Clinical Radiology, University of Munich Grosshadern Campus, Marchioninistr 15, 81377 Munich, Germany
Eur J Radiol 60:379-86. 2006....
Color Doppler, power Doppler and B-flow ultrasound in the assessment of ICA stenosis: Comparison with 64-MD-CT angiographyD A Clevert
Department of Clinical Radiology, University of Munich Grosshadern Campus, Marchioninistr 15, 81377 Munich, Germany
Eur Radiol 17:2149-59. 2007..5 and 3.2 %. There is excellent correlation (coefficient 0.88, CI 0.77-0.93) with 64-MD-CTA and B-flow ultrasound in terms of accuracy for intrastenotic and poststenotic diameter. Duplex sonography is useful for screening purposes...
Predictive value of PET-CT imaging versus AGO-scoring in patients planned for cytoreductive surgery in recurrent ovarian cancerS M Lenhard
Department of Obstetrics and Gynecology, Ludwig Maximilians University Munich, Campus Grosshadern, Marchioninistrasse 15, 80337 Munich, Germany
Eur J Obstet Gynecol Reprod Biol 140:263-8. 2008..To assess the predictive value of positron emission tomography computed tomography (PET-CT) imaging in comparison to AGO-scoring in patients planned for cytoreductive surgery in recurrent ovarian cancer...
[Unusual intensive care course in a patient with head injuries]M D'Anastasi
Institut fur Klinische Radiologie, Klinikum der Ludwig Maximilians Universität, Campus Grosshadern, Marchioninistr 15, 81377, Munchen, Deutschland
Radiologe 52:163-6. 2012....
Cervical artery dissection: improved diagnosis by B-Flow ultrasoundD A Clevert
Department of Clinical Radiology, University of Munich, Campus Grosshadern, Munich, Germany
Clin Hemorheol Microcirc 36:141-53. 2007..The objective of this study was to evaluate the efficiency of B-Flow ultrasound in diagnosing supraaortic vessel dissections compared with other ultrasound techniques including B scan, Color-Coded Doppler (CCDS) and Power Doppler (PD)...
Treatment of secondary stent-graft collapse after endovascular stent-grafting for iliac artery pseudoaneurysmsD A Clevert
Institute of Clinical Radiology, University of Munich Grosshadern Campus, Marchioninistrasse 15, Munich, Germany
Cardiovasc Intervent Radiol 30:111-5. 2007..Peri- and post-interventional ultrasound and CT angiography confirmed the exclusion of the aneurysm without an endoleak...
PET-CT in recurrent ovarian cancer: impact on treatment planningMiriam S Lenhard
Department of Obstetrics and Gynecology, Ludwig Maximilians University Munich, Campus Grosshadem, Munich, Germany
Anticancer Res 28:2303-8. 2008..Positron emission tomography-computed tomography (PET-CT) is currently not established in the management of recurrent ovarian cancer. Here, its value in diagnosis and therapy planning was evaluated...
Clinical image: Dual-energy computed tomographic molecular imaging of goutThorsten R C Johnson
University of Munich, Munich, Germany
Arthritis Rheum 56:2809. 2007
Evaluation of left atrial myxoma by dual-source CTThorsten R C Johnson
Cardiovasc Intervent Radiol 30:1085-6. 2007
Visual and automatic grading of coronary artery stenoses with 64-slice CT angiography in reference to invasive angiographyStephanie Busch
Department of Clinical Radiology, University of Munich, Marchioninistr 15, 81377 Munich, Germany
Eur Radiol 17:1445-51. 2007..72. In conclusion, software-supported CT-QCA makes it possible to quantify significant coronary artery stenoses automatically, with good agreement to CAG-QCA...
Obstetrical and gynecological writing and publishing in EuropeMiriam S Lenhard
Department of Obstetrics and Gynecology, Ludwig Maximilians University Munich, Campus Grosshadern, Marchioninistrasse 15, 81377 Munich, Germany
Eur J Obstet Gynecol Reprod Biol 129:119-23. 2006..To assess the number and quality of scientific articles published by authors from the European Union (EU) and Germany in the field of obstetrics and gynecology...
Dual energy CT characterization of urinary calculi: initial in vitro and clinical experienceAnno Graser
Department of Clinical Radiology, University of Munich, Munich, Germany
Invest Radiol 43:112-9. 2008..The purpose of this study is to assess the accuracy of dual energy CT (DECT) in the characterization of renal and ureteral stones...
