Works by Zeimpekis, Konstantinos

Results: 20

Clinical Evaluation of PET Image Quality as a Function of Acquisition Time in a New TOF-PET/MRI Compared to TOF-PET/CT--Initial Results.

Published in:

2015

By:

Zeimpekis, Konstantinos;
Barbosa, Felipe;
Hüllner, Martin;
Voert, Edwin;
Davison, Helen;
Veit-Haibach, Patrick;
Delso, Gaspar;
Zeimpekis, Konstantinos G;
Ter Voert, Edwin

Publication type:

journal article

Assessment of lung density in pediatric patients using three-dimensional ultrashort echo-time and four-dimensional zero echo-time sequences.

Published in:

Japanese Journal of Radiology, 2022, v. 40, n. 7, p. 722, doi. 10.1007/s11604-022-01258-1

By:

Zeimpekis, Konstantinos G.;
Kellenberger, Christian J.;
Geiger, Julia

Publication type:

Article

[177Lu]Lu-PSMA-617 Therapy in a Patient with Chronic Kidney Disease.

Published in:

Journal of Nuclear Medicine, 2023, v. 64, n. 10, p. 1570, doi. 10.2967/jnumed.123.265577

By:

Mercolli, Lorenzo;
Mingels, Clemens;
Manzini, Giulia;
Cumming, Paul;
Zeimpekis, Konstantinos;
Xue, Song;
Alberts, Ian;
Uehlinger, Dominik;
Rominger, Axel;
Kuangyu Shi;
Afshar-Oromieh, Ali

Publication type:

Article

Phantom-based image quality assessment of clinical 18F-FDG protocols in digital PET/CT and comparison to conventional PMT-based PET/CT.

Published in:

EJNMMI Physics, 2020, v. 7, n. 1, p. 1, doi. 10.1186/s40658-019-0269-4

By:

Gnesin, Silvano;
Kieffer, Christine;
Zeimpekis, Konstantinos;
Papazyan, Jean-Pierre;
Guignard, Renaud;
Prior, John O.;
Verdun, Francis R.;
Lima, Thiago V. M.

Publication type:

Article

Clinical evaluation of PET image quality as a function of acquisition time in a new TOF-PET/MR compared to TOF-PET/CT - initial results.

Published in:

2015

By:

Zeimpekis, Konstantinos;
Huellner, Martin;
De Galiza Barbosa, Felipe;
Ter Voert, Edwin;
Davison, Helen;
Delso, Gaspar;
Veit-Haibach, Patrick

Publication type:

Abstract

Three-dimensional magnetic resonance imaging ultrashort echo-time cones for assessing lung density in pediatric patients.

Published in:

Pediatric Radiology, 2021, v. 51, n. 1, p. 57, doi. 10.1007/s00247-020-04791-1

By:

Zeimpekis, Konstantinos G.;
Geiger, Julia;
Wiesinger, Florian;
Delso, Gaspar;
Kellenberger, Christian J.

Publication type:

Article

Evaluation and clinical quantification of neoplastic lesions and physiological structures in TOF- versus non-TOF-PET/MRI: a pilot study.

Published in:

Quarterly Journal of Nuclear Medicine & Molecular Imaging, 2021, v. 65, n. 4, p. 386, doi. 10.23736/S1824-4785.17.02790-X

By:

de GALIZA BARBOSA, Felipe;
DELSO, Gaspar;
ZEIMPEKIS, Konstantinos G.;
ter VOERT, Edwin E.;
HÜLLNER, Martin;
STOLZMANN, Paul;
VEIT-HAIBACH, Patrick

Publication type:

Article

Evaluation of long axial field-of-view (LAFOV) PET/CT for post-treatment dosimetry in Yttrium-90 radioembolization of liver tumors: a comparative study with conventional SPECT imaging.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2025, v. 52, n. 4, p. 1460, doi. 10.1007/s00259-024-07034-9

By:

Zeimpekis, Konstantinos G.;
Sari, Hasan;
Gözlügöl, Nasir;
Achangwa, Ngwe Rawlings;
Shi, Kuangyu;
Schindewolf, Marc;
Afshar-Oromieh, Ali;
Rominger, Axel;
Seifert, Robert

Publication type:

Article

90Y post-radioembolization clinical assessment with whole-body Biograph Vision Quadra PET/CT: image quality, tumor, liver and lung dosimetry.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2024, v. 51, n. 7, p. 2100, doi. 10.1007/s00259-024-06650-9

By:

Zeimpekis, Konstantinos G.;
Mercolli, Lorenzo;
Conti, Maurizio;
Sari, Hasan;
Rominger, Axel;
Rathke, Hendrik

Publication type:

Article

FDG imaging with long-axial field-of-view PET/CT in patients with high blood glucose—a matched pair analysis.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2024, v. 51, n. 7, p. 2036, doi. 10.1007/s00259-024-06646-5

By:

Mingels, Clemens;
Weissenrieder, Luis;
Zeimpekis, Konstantinos;
Sari, Hasan;
Nardo, Lorenzo;
Caobelli, Federico;
Alberts, Ian;
Rominger, Axel;
Pyka, Thomas

Publication type:

Article

Phantom-based evaluation of yttrium-90 datasets using biograph vision quadra.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2023, v. 50, n. 4, p. 1168, doi. 10.1007/s00259-022-06074-3

By:

Zeimpekis, Konstantinos G.;
Mercolli, Lorenzo;
Conti, Maurizio;
Sari, Hasan;
Prenosil, George;
Shi, Kuangyu;
Rominger, Axel

Publication type:

Article

Authors' reply to Dr. Paolo Duarte: Combined [68Ga]Ga-PSMA-11 and low-dose [18F]FDG PET/CT using a long-axial field of view scanner for patients referred for [177Lu]-PSMA-radioligand therapy.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2023, v. 50, n. 3, p. 644, doi. 10.1007/s00259-022-06071-6

By:

Alberts, Ian;
Schepers, Robin;
Zeimpekis, Konstantinos;
Sari, Hasan;
Rominger, Axel;
Afshar-Oromieh, Ali

Publication type:

Article

Combined [68 Ga]Ga-PSMA-11 and low-dose 2-[18F]FDG PET/CT using a long-axial field of view scanner for patients referred for [177Lu]-PSMA-radioligand therapy.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2023, v. 50, n. 3, p. 951, doi. 10.1007/s00259-022-05961-z

By:

Alberts, Ian;
Schepers, Robin;
Zeimpekis, Konstantinos;
Sari, Hasan;
Rominger, Axel;
Afshar-Oromieh, Ali

Publication type:

Article

NEMA NU 2–2018 performance evaluation of a new generation 30-cm axial field-of-view Discovery MI PET/CT.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2022, v. 49, n. 9, p. 3023, doi. 10.1007/s00259-022-05751-7

By:

Zeimpekis, Konstantinos G.;
Kotasidis, Fotis A.;
Huellner, Martin;
Nemirovsky, Alexandra;
Kaufmann, Philipp A.;
Treyer, Valerie

Publication type:

Article

Hot needles can confirm accurate lesion sampling intraoperatively using [18F]PSMA-1007 PET/CT-guided biopsy in patients with suspected prostate cancer.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2022, v. 49, n. 5, p. 1721, doi. 10.1007/s00259-021-05599-3

By:

Ferraro, Daniela A.;
Laudicella, Riccardo;
Zeimpekis, Konstantinos;
Mebert, Iliana;
Müller, Julian;
Maurer, Alexander;
Grünig, Hannes;
Donati, Olivio;
Sapienza, Marcelo T.;
Rueschoff, Jan H.;
Rupp, Niels;
Eberli, Daniel;
Burger, Irene A.

Publication type:

Article

Diagnostic performance of 68Ga-PSMA-11 PET/MRI-guided biopsy in patients with suspected prostate cancer: a prospective single-center study.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2021, v. 48, n. 10, p. 3315, doi. 10.1007/s00259-021-05261-y

By:

Ferraro, Daniela A.;
Becker, Anton S.;
Kranzbühler, Benedikt;
Mebert, Iliana;
Baltensperger, Anka;
Zeimpekis, Konstantinos G.;
Grünig, Hannes;
Messerli, Michael;
Rupp, Niels J.;
Rueschoff, Jan H.;
Mortezavi, Ashkan;
Donati, Olivio F.;
Sapienza, Marcelo T.;
Eberli, Daniel;
Burger, Irene A.

Publication type:

Article

Using domain knowledge for robust and generalizable deep learning-based CT-free PET attenuation and scatter correction.

Published in:

Nature Communications, 2022, v. 13, n. 1, p. 1, doi. 10.1038/s41467-022-33562-9

By:

Guo, Rui;
Xue, Song;
Hu, Jiaxi;
Sari, Hasan;
Mingels, Clemens;
Zeimpekis, Konstantinos;
Prenosil, George;
Wang, Yue;
Zhang, Yu;
Viscione, Marco;
Sznitman, Raphael;
Rominger, Axel;
Li, Biao;
Shi, Kuangyu

Publication type:

Article

Radioactivity levels in the saliva of patients undergoing targeted radioligand therapy with [177Lu]Lu-PSMA-I&T and [177Lu]Lu-DOTA-TOC.

Published in:

Clinical Oral Investigations, 2025, v. 29, n. 5, p. 1, doi. 10.1007/s00784-025-06300-w

By:

Schedeit, Christian;
Gözlügöl, Nasir;
Alsheikh, Radi Saiyed;
Shelan, Mohamed;
Seifert, Robert;
Caobelli, Federico;
Borner, Urs;
Iizuka, Tateyuki;
Schaller, Benoît;
Rominger, Axel;
Cumming, Paul;
Afshar-Oromieh, Ali;
Zeimpekis, Konstantinos G.

Publication type:

Article

Dose Optimization in TOF-PET/MR Compared to TOF-PET/CT.

Published in:

PLoS ONE, 2015, v. 10, n. 7, p. 1, doi. 10.1371/journal.pone.0128842

By:

Queiroz, Marcelo A.;
Delso, Gaspar;
Wollenweber, Scott;
Deller, Timothy;
Zeimpekis, Konstantinos;
Huellner, Martin;
de Galiza Barbosa, Felipe;
von Schulthess, Gustav;
Veit-Haibach, Patrick

Publication type:

Article

Impact of the new ultra-high sensitivity mode in a long axial field-of-view PET/CT.

Published in:

Annals of Nuclear Medicine, 2023, v. 37, n. 5, p. 310, doi. 10.1007/s12149-023-01827-y

By:

Mingels, Clemens;
Weidner, Sabine;
Sari, Hasan;
Buesser, Dorothee;
Zeimpekis, Konstantinos;
Shi, Kuangyu;
Alberts, Ian;
Rominger, Axel

Publication type:

Article

Works by Zeimpekis, Konstantinos

Clinical Evaluation of PET Image Quality as a Function of Acquisition Time in a New TOF-PET/MRI Compared to TOF-PET/CT--Initial Results.

Assessment of lung density in pediatric patients using three-dimensional ultrashort echo-time and four-dimensional zero echo-time sequences.

[<sup>177</sup>Lu]Lu-PSMA-617 Therapy in a Patient with Chronic Kidney Disease.

Phantom-based image quality assessment of clinical 18F-FDG protocols in digital PET/CT and comparison to conventional PMT-based PET/CT.

Clinical evaluation of PET image quality as a function of acquisition time in a new TOF-PET/MR compared to TOF-PET/CT - initial results.

Three-dimensional magnetic resonance imaging ultrashort echo-time cones for assessing lung density in pediatric patients.

Evaluation and clinical quantification of neoplastic lesions and physiological structures in TOF- versus non-TOF-PET/MRI: a pilot study.

Evaluation of long axial field-of-view (LAFOV) PET/CT for post-treatment dosimetry in Yttrium-90 radioembolization of liver tumors: a comparative study with conventional SPECT imaging.

<sup>90</sup>Y post-radioembolization clinical assessment with whole-body Biograph Vision Quadra PET/CT: image quality, tumor, liver and lung dosimetry.

FDG imaging with long-axial field-of-view PET/CT in patients with high blood glucose—a matched pair analysis.

Phantom-based evaluation of yttrium-90 datasets using biograph vision quadra.

Authors' reply to Dr. Paolo Duarte: Combined [68Ga]Ga-PSMA-11 and low-dose [18F]FDG PET/CT using a long-axial field of view scanner for patients referred for [177Lu]-PSMA-radioligand therapy.

Combined [68 Ga]Ga-PSMA-11 and low-dose 2-[18F]FDG PET/CT using a long-axial field of view scanner for patients referred for [177Lu]-PSMA-radioligand therapy.

NEMA NU 2–2018 performance evaluation of a new generation 30-cm axial field-of-view Discovery MI PET/CT.

Hot needles can confirm accurate lesion sampling intraoperatively using [<sup>18</sup>F]PSMA-1007 PET/CT-guided biopsy in patients with suspected prostate cancer.

Diagnostic performance of <sup>68</sup>Ga-PSMA-11 PET/MRI-guided biopsy in patients with suspected prostate cancer: a prospective single-center study.

Using domain knowledge for robust and generalizable deep learning-based CT-free PET attenuation and scatter correction.

Radioactivity levels in the saliva of patients undergoing targeted radioligand therapy with [<sup>177</sup>Lu]Lu-PSMA-I&T and [<sup>177</sup>Lu]Lu-DOTA-TOC.

Dose Optimization in TOF-PET/MR Compared to TOF-PET/CT.

Impact of the new ultra-high sensitivity mode in a long axial field-of-view PET/CT.