Search Results - "Helck, A."

Can single-phase dual-energy CT reliably identify adrenal adenomas? by Helck, A., Hummel, N., Meinel, F. G., Johnson, T., Nikolaou, K., Graser, A.

“…Purpose To evaluate whether single-phase dual-energy-CT-based attenuation measurements can reliably differentiate lipid-rich adrenal adenomas from malignant…”
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Imaging of carotid arterial diseases with contrast-enhanced ultrasound (CEUS) by Clevert, D.A, Sommer, W.H, Zengel, P, Helck, A, Reiser, M

“…Abstract Carotid duplex ultrasound is the standard of care for the initial diagnosis of carotid artery bifurcation diseases. But in difficult examinations,…”
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CT perfusion technique for assessment of early kidney allograft dysfunction: preliminary results by Helck, A., Wessely, M., Notohamiprodjo, M., Schönermarck, U., Klotz, E., Fischereder, M., Schön, F., Nikolaou, K., Clevert, D. A., Reiser, M., Becker, C.

“…Objectives To assess the benefit of quantitative computed tomography (CT) perfusion for differentiating acute tubular necrosis (ATN) and acute rejection (AR)…”
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Multimodality imaging using ultrasound image fusion in renal lesions by Helck, A, D'Anastasi, M, Notohamiprodjo, M, Thieme, S, Sommer, W, Reiser, M, Clevert, D A

“…To assess the benefit of ultrasound (US) image fusion in the identifiability and assessment of the dignity of renal lesions. 25 patients with 29 renal lesions…”
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Comparison of portable ultrasound system and high end ultrasound system in detection of endoleaks by Zimmermann, H, Rübenthaler, J, Rjosk-Dendorfer, D, Helck, A, Reimann, R, Reiser, M, Clevert, D A

“…To compare the value of a portable ultrasound system and a high end ultrasound system in detection of endoleaks after EVAR. In this retrospective study, a…”
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Automatic path proposal computation for CT-guided percutaneous liver biopsy by Helck, A., Schumann, C., Aumann, J., Thierfelder, K., Strobl, F. F., Braunagel, M., Niethammer, M., Clevert, D. A., Hoffmann, R. T., Reiser, M., Sandner, T., Trumm, C.

“…Purpose To evaluate feasibility of automatic software-based path proposals for CT-guided percutaneous biopsies. Methods Thirty-three patients (60  ±  12 years)…”
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Duplex and contrast enhanced ultrasound (CEUS) in evaluation of in-stent restenosis after carotid stenting by Clevert, D-A, Sommer, W H, Helck, A, Reiser, M

“…The aim of the study was to evaluate whether contrast enhanced ultrasound (CEUS) can improve the visualization of in-stent restenosis after carotid stenting of…”
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Image fusion in the management of thermal tumor ablation of the liver by Clevert, D A, Paprottka, P M, Helck, A, Reiser, M, Trumm, C G

“…The purpose of this study was to evaluate whether image fusion with contrast enhanced ultrasound (CEUS) and CT is effective in the pre-, intra- and…”
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Value of high-resolution contrast-enhanced ultrasound in detection and characterisation of endoleaks after EVAR by Zimmermann, H, D'Anastasi, M, Rjosk-Dendorfer, D, Helck, A, Meimarakis, G, Reiser, M, Clevert, D A

“…To compare the value of high-resolution contrast-enhanced ultrasound in the detection and characterisation of endoleaks after EVAR. In this retrospective…”
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Dual-energy CT pulmonary angiography in patients with suspected pulmonary embolism: value for the detection and quantification of pulmonary venous congestion by Thieme, S F, Meinel, F G, Graef, A, Helck, A D, Reiser, M F, Johnson, T R C

“…To evaluate if vascular and pulmonary parenchymal enhancement values in dual-energy (DE) CT pulmonary angiography (CTPA) can suggest the diagnosis of pulmonary…”
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Improved carotid atherosclerotic plaques imaging with contrast-enhanced ultrasound (CEUS) by Clevert, D A, Sommer, W H, Helck, A, Saam, T, Reiser, M

“…To evaluate neovascularisation within carotid atherosclerotic plaques with contrast enhanced ultrasound. We used contrast-enhanced ultrasound to examine 33…”
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Optimized contrast volume for dynamic CT angiography in renal transplant patients using a multiphase CT protocol by Helck, A, Bamberg, F, Sommer, W.H, Wessely, M, Becker, C, Clevert, D.A, Notohamiprodjo, M, Reiser, M, Nikolaou, K

“…Abstract Objectives To study the feasibility of an optimized multiphase renal-CT-angiography (MP-CTA) protocol in patients with history of renal…”
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Improving the follow up after EVAR by using ultrasound image fusion of CEUS and MS-CT by Clevert, D A, Helck, A, D'Anastasi, M, Gürtler, V, Sommer, W H, Meimarakis, G, Weidenhagen, R, Reiser, M

“…To evaluate whether the image fusion with contrast enhanced ultrasound (CEUS) and CT affects the diagnosis of endoleaks in unclear cases. 35 patients with…”
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Benefit of contrast enhanced ultrasound for detection of ischaemic lesions and arterio venous fistulas in renal transplants - a feasibility study by Helck, A, Sommer, W H, Wessely, M, Notohamiprodjo, M, Reiser, M, Clevert, D A

“…To evaluate the benefit of CEUS (contrast enhanced ultrasound) regarding depiction of ischaemic lesions and AVFs (arterio venous fistula) in renal transplants…”
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Improved visualization of renal lesions using three-dimensional ultrasound--a feasibility study by Helck, A, D'Anastasi, M, Notohamiprodjo, M, Thieme, S, Reiser, M, Clevert, D A

“…To evaluate the potential benefit of three-dimensional ultrasound in the assessment of renal lesions. 21 patients with unclear renal findings were…”
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Ultrasound image fusion - clinical implementation and potential benefits for monitoring of renal transplants by Helck, A, Notohamiprodjo, M, Danastasi, M, Meinel, F, Reiser, M, Clevert, D A

“…To evaluate the feasibility of US image fusion in the clinical routine and to discuss potential benefits for follow-up after renal transplantation. 15 patients…”
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Diagnosis, therapy monitoring and follow up of renal artery pseudoaneurysm with contrast-enhanced ultrasound in three cases by Helck, A, Hoffmann, R T, Sommer, W H, Notohamiprodjo, M, Albyaa, H, Reiser, M, Clevert, D A

“…We describe the presentation of renal artery pseudoaneurysm (RAP) in different imaging modalities (CT, DSA, standard US, contrast enhanced ultrasound (CEUS))…”
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Interdisciplinary expert consultation via a teleradiology platform--influence on therapeutic decision-making and patient referral rates to an academic tertiary care center by Helck, A, Matzko, M, Trumm, C G, Grosse, C, Piltz, S, Reiser, M, Ertl-Wagner, B

“…In addition to teleradiological reporting as a nighthawking or a regular service, teleradiological communication can be used for interdisciplinary expert…”
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Latest developments in ultrasound of the liver by Clevert, D-A, Helck, A, Paprottka, P M, Schwarz, F, Reiser, M F

“…Abdominal ultrasound (US) is often the first-line imaging modality used to assess focal liver lesions. Due to various new gray-scaled US techniques, such as…”
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Contrast-enhanced ultrasound imaging of the carotid artery by Clevert, D-A, Helck, A, Paprottka, P M, Reiser, M F, Jung, E M

“…A conventional grey scale, Doppler sonography and color-coded Doppler ultrasound examination should be the first step in the diagnosis of the vessels supplying…”
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