Search Results - "Klessen, Christian"

Local staging of rectal cancer: the current role of MRI by Klessen, Christian, Rogalla, Patrik, Taupitz, Matthias

“…With the advent of powerful gradient coil systems and high-resolution surface coils, magnetic resonance imaging (MRI) has recently extended its role in the…”
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Reduction of claustrophobia during magnetic resonance imaging: methods and design of the "CLAUSTRO" randomized controlled trial by Enders, Judith, Zimmermann, Elke, Rief, Matthias, Martus, Peter, Klingebiel, Randolf, Asbach, Patrick, Klessen, Christian, Diederichs, Gerd, Bengner, Thomas, Teichgräber, Ulf, Hamm, Bernd, Dewey, Marc

“…Magnetic resonance (MR) imaging has been described as the most important medical innovation in the last 25 years. Over 80 million MR procedures are now…”
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Reduction of claustrophobia with short-bore versus open magnetic resonance imaging: a randomized controlled trial by Enders, Judith, Zimmermann, Elke, Rief, Matthias, Martus, Peter, Klingebiel, Randolf, Asbach, Patrick, Klessen, Christian, Diederichs, Gerd, Wagner, Moritz, Teichgräber, Ulf, Bengner, Thomas, Hamm, Bernd, Dewey, Marc

“…Claustrophobia is a common problem precluding MR imaging. The purpose of the present study was to assess whether a short-bore or an open magnetic resonance…”
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High Spatial Resolution T1-Weighted MR Imaging of Liver and Biliary Tract During Uptake Phase of a Hepatocyte-Specific Contrast Medium by Asbach, Patrick, Warmuth, Carsten, Stemmer, Alto, Rief, Matthias, Huppertz, Alexander, Hamm, Bernd, Taupitz, Matthias, Klessen, Christian

“…OBJECTIVES:The hypothesis for this prospective study was that T1-weighted respiratory triggered high spatial resolution images of the liver acquired during the…”
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Respiratory-triggered MRCP applying parallel acquisition techniques by Asbach, Patrick, Dewey, Marc, Klessen, Christian, Stemmer, Alto, Ockenga, Johann, Huppertz, Alexander, Sander, Bernhard, Hamm, Bernd, Taupitz, Matthias

“…Purpose To evaluate the influence of parallel imaging on the image quality of respiratory triggered magnetic resonance cholangiopancreatography (MRCP)…”
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First-Pass Whole-Body Magnetic Resonance Angiography (MRA) Using the Blood-Pool Contrast Medium Gadofosveset Trisodium: Comparison to Gadopentetate Dimeglumine by Klessen, Christian, Hein, Patrick A, Huppertz, Alexander, Voth, Matthias, Wagner, Moritz, Elgeti, Thomas, Kroll, Hannes, Hamm, Bernd, Taupitz, Matthias, Asbach, Patrick

“…OBJECTIVES:To evaluate gadofosveset trisodium for first-pass magnetic resonance angiography (MRA) in the setting of whole-body MRA (WB-MRA). MATERIALS AND…”
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Magnetic resonance imaging of the upper abdomen using a free-breathing T2-weighted turbo spin echo sequence with navigator triggered prospective acquisition correction by Klessen, Christian, Asbach, Patrick, Kroencke, Thomas J., Fischer, Thomas, Warmuth, Carsten, Stemmer, Alto, Hamm, Bernd, Taupitz, Matthias

“…Purpose To evaluate a free‐breathing navigator triggered T2‐weighted turbo spin‐echo sequence with prospective acquisition correction (T2w‐PACE‐TSE) for MRI of…”
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Continuously moving table aorto-iliofemoral run-off contrast-enhanced magnetic resonance angiography: image quality analysis in comparison to the multistep acquisition by Asbach, Patrick, Meade, Michael D, Sattenberg, Ronald J, Klessen, Christian, Huppertz, Alexander, Heidenreich, Jens O

“…Optimal vessel contrast is a prerequisite for vascular imaging. Consecutive stationary imaging of multiple fields of view is contrary to the continuous…”
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Detection of focal liver lesions in unenhanced and ferucarbotran-enhanced magnetic resonance imaging: a comparison of T2-weighted breath-hold and respiratory-triggered sequences by Rief, Matthias, Wagner, Moritz, Franiel, Tobias, Bresan, Viola, Taupitz, Matthias, Klessen, Christian, Hamm, Bernd, Asbach, Patrick

“…Abstract Purpose To investigate the image quality and detection rate of focal liver lesions by comparing a T2-weighted breath-hold single-shot sequence and a…”
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Variability of Semiautomated Lung Nodule Volumetry on Ultralow-Dose CT: Comparison with Nodule Volumetry on Standard-Dose CT by Hein, Patrick A., Romano, Valentina C., Rogalla, Patrik, Klessen, Christian, Lembcke, Alexander, Bornemann, Lars, Dicken, Volker, Hamm, Bernd, Bauknecht, Hans-Christian

“…The study investigates the effect of a substantial dose reduction on the variability of lung nodule volume measurements by assessing and comparing nodule…”
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Multislice Computed Tomography for Preoperative Evaluation of Right Ventricular Volumes and Function: Comparison With Magnetic Resonance Imaging by Lembcke, Alexander, Dohmen, Pascal M., Dewey, Marc, Klessen, Christian, Elgeti, Thomas, Hermann, Kay-Geert A., Konertz, Wolfgang F., Hamm, Bernd, Kivelitz, Dietmar E.

“…This study was performed to validate preoperative right ventricular measurements obtained from multislice spiral computed tomography data sets in comparison…”
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Free-breathing echo-planar imaging based diffusion-weighted magnetic resonance imaging of the liver with prospective acquisition correction by Asbach, Patrick, Hein, Patrick A, Stemmer, Alto, Wagner, Moritz, Huppertz, Alexander, Hamm, Bernd, Taupitz, Matthias, Klessen, Christian

“…To evaluate soft tissue contrast and image quality of a respiratory-triggered echo-planar imaging based diffusion-weighted sequence (EPI-DWI) with different b…”
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Magnetic resonance cholangiopancreatography using a free-breathing T2-weighted turbo spin-echo sequence with navigator-triggered prospective acquisition correction by Asbach, Patrick, Klessen, Christian, Kroencke, Thomas J., Kluner, Claudia, Stemmer, Alto, Hamm, Bernd, Taupitz, Matthias

“…The objective of this study was to evaluate the image quality of a respiratory-triggered T2-weighted (T2w) turbo spin-echo (TSE) sequence for magnetic…”
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Magnetic resonance imaging findings of atypical focal nodular hyperplasia of the liver by Asbach, Patrick, Klessen, Christian, Koch, Martin, Hamm, Bernd, Taupitz, Matthias

“…Abstract Atypical focal nodular hyperplasia (FNH) of the liver is a diagnostic challenge as a variety of atypical imaging findings can occur in this entity…”
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Activity, expression, and transcription rate of the cathepsins B, D, H, and L in cutaneous malignant melanoma by Fröhlich, Eleonore, Schlagenhauff, Bettina, Möhrle, Matthias, Weber, Ekkehard, Klessen, Christian, Rassner, Gernot

“…BACKGROUND Increased activity of the protease cathepsin B has been demonstrated in many tumor cells. A correlation of cathepsin B activity and metastatic…”
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Biphasic Blood Pool Contrast Agent-Enhanced Whole-Body MR Angiography for Treatment Planning in Patients With Significant Arterial Stenosis by Huppertz, Alexander, Kroll, Hannes, Klessen, Christian, Taupitz, Matthias, Rückert, Ralph I, Schröder, Ralf-Juergen, Albrecht, Thomas, Frericks, Bernd, Voth, Matthias, Wagner, Moritz, Hamm, Bernd, Asbach, Patrick

“…OBJECTIVE:To prospectively evaluate diagnostic accuracy of first pass and combined first pass and steady state high-spatial-resolution whole-body magnetic…”
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Histochemical staining of zymogen granules of pancreatic acinar cells using a permanganate-HID-technique by Klessen, C

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Regional differences and post-mortem stability of enzymatic activities in the retinal pigment epithelium by FRÖHLICH, Eleonore, KLESSEN, Christian

“…The retinal pigment epithelium (RPE) is essential for the metabolism of the neural retina. As a result of dysfunction of the RPE, retinal degeneration occurs…”
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Efficient Whole-Body MRI Interpretation: Evaluation of a Dedicated Software Prototype by Asbach, Patrick, Canda, Valer, Hermann, Kay-Geert A., Krug, Lasse, Hahn, Horst K., Hamm, Bernd, Klessen, Christian

“…The study investigates the performance of a dedicated whole-body magnetic resonance imaging (MRI) interpretation software with regard to diagnostic efficiency…”
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Pictorial review: Electron beam computed tomography and multislice spiral computed tomography for cardiac imaging by Lembcke, Alexander, Hein, Patrick A., Dohmen, Pascal M., Klessen, Christian, Wiese, Till H., Hoffmann, Udo, Hamm, Bernd, Enzweiler, Christian N.H.

“…Electron beam computed tomography (EBCT) revolutionized cardiac imaging by combining a constant high temporal resolution with prospective ECG triggering. For…”
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