Virtual monoenergetic dual-energy computed tomography: optimization of kiloelectron volt settings in head and neck cancer

…, J Wagenblast, A Eckardt, C Frellesen… - Investigative …, 2014 - journals.lww.com
Objectives The aim of this study was to evaluate the effects on objective and subjective
image quality of virtual monoenergetic reconstructions at various energy levels of dual-energy …
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Dual energy CT pulmonary blood volume assessment in acute pulmonary embolism–correlation with D-dimer level, right heart strain and clinical outcome

RW Bauer, C Frellesen, M Renker, B Schell… - European …, 2011 - Springer
… (c) Perfusion defect size was measured by manual slice segmentation using a free-hand …
S, Palla A, Giannella-Neto A, Giuntini C (1990) Natural course of treated pulmonary embolism. …
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Dual-energy CT of the pancreas: improved carcinoma-to-pancreas contrast with a noise-optimized monoenergetic reconstruction algorithm

C Frellesen, F Fessler, AD Hardie, JL Wichmann… - European Journal of …, 2015 - Elsevier
… Carcinoma-to-pancreas contrast (CNR tumor ) was highest in the nMERA 40 image series
(B), closely followed by 55+ (C). However, subjective image quality was rated best at 55+ due …
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Evaluation of different keV-settings in dual-energy CT angiography of the aorta using advanced image-based virtual monoenergetic imaging

M Beeres, J Trommer, C Frellesen… - … International Journal of …, 2016 - Springer
To compare quantitative image quality in dual-energy CT angiography (DE-CTA) studies of
the aorta using different virtual monoenergetic imaging (MEI) and advanced image-based …
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Dual-energy computed tomography–based display of bone marrow edema in incidental vertebral compression fractures: diagnostic accuracy and characterization in …

C Frellesen, M Azadegan, SS Martin, K Otani… - Investigative …, 2018 - journals.lww.com
Purpose The aim of this study was to evaluate the diagnostic performance of virtual
noncalcium (VNCa) dual-energy computed tomography (DECT) reconstructions enabling …
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Low-dose abdominal computed tomography for detection of urinary stone disease− Impact of additional spectral shaping of the X-ray beam on image quality and dose …

P Dewes, C Frellesen, JE Scholtz, S Fischer… - European journal of …, 2016 - Elsevier
… (C) Shows a corpulent patient of group 3 (abdominal volume = 40.7 dm 3 , tube voltage =
140 kV, CTDIvol = 3.85 m Gy and DLP = 192 m Gy cm). (D) Shows a skinny patient of group 1 (…
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Diagnostic accuracy of late iodine–enhancement dual-energy computed tomography for the detection of chronic myocardial infarction compared with late gadolinium …

…, W Stock, T Lehnert, B Bodelle, C Frellesen… - Investigative …, 2013 - journals.lww.com
Objectives The purpose of the study was to compare the performance of late iodine–enhancement
(LIE) dual-energy computed tomography (DECT) linear blending and selective …
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Comparative evaluation of non-contrast CAIPIRINHA-VIBE 3T-MRI and multidetector CT for detection of pulmonary nodules: in vivo evaluation of diagnostic accuracy …

P Dewes, C Frellesen, F Al-Butmeh, MH Albrecht… - European Journal of …, 2016 - Elsevier
Purpose To evaluate the diagnostic accuracy, subjective image quality, and interobserver
agreement of non-contrast Controlled Aliasing In Parallel Imaging Results In Higher …
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70 kVp computed tomography pulmonary angiography: potential for reduction of iodine load and radiation dose

…, X Hu, JM Kerl, B Schulz, C Frellesen… - Journal of thoracic …, 2015 - journals.lww.com
… A and C (167.7±41.2 mGy cm, P=0.39). Average SNR and CNR were significantly higher for
group C (21.5±… and noise were highest for group C (1.73±0.62 and 2.03±0.66, respectively). …
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Non-linear image blending improves visualization of head and neck primary squamous cell carcinoma compared to linear blending in dual-energy CT

…, K Hüsers, M Kaup, M Albrecht, B Schulz, C Frellesen… - Clinical radiology, 2015 - Elsevier
Aim To compare non-linear and linear image-blending post-processing techniques in dual-energy
CT (DECT) of primary head and neck squamous cell carcinoma (SCC) regarding …
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