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Technische Universität München
Technische Universität München

Foto von Johannes Hammel

M.Sc. Johannes Hammel

  • Myocardial perfusion imaging using clinical Dual Layer CT (DLCT) technology
  • Material decomposition in Dual Energy CT (DECT)
  • Dose reduction in clinical CT (sparse sampling, spectral information)
  • Bone mineral density (BMD) measurement in DLCT

  • 10
    Gassenhuber, Melina; Lochschmidt, Maximilian E.; Hammel, Johannes; Boeckh-Behrens, Tobias; Ikenberg, Benno; Wunderlich, Silke; Liesche-Starnecker, Friederike; Schlegel, Jürgen; Pfeiffer, Franz; Makowski, Marcus R.; Zimmer, Claus; Riederer, Isabelle; Pfeiffer, Daniela: Multimaterial decomposition in dual-energy CT for characterization of clots from acute ischemic stroke patients. European Radiology Experimental 8, 2024, 52 mehr… BibTeX Volltext ( DOI )
  • 9
    Hammel, Johannes; Birnbacher, Lorenz; Campbell, Graeme; Coulon, Philippe; Ushakov, Lev; Pfeiffer, Franz; Makowski, Marcus R.; Kirschke, Jan; Pfeiffer, Daniela: Comparison of volumetric and areal bone mineral density in CT and scout scans using spectral detector technology. European Radiology Experimental 7 (1), 2023 mehr… BibTeX Volltext ( DOI )
  • 8
    Lochschmidt, Maximilian E.; Gassenhuber, Melina; Riederer, Isabelle; Hammel, Johannes; Birnbacher, Lorenz; Busse, Madleen; Boeckh-Behrens, Tobias; Ikenberg, Benno; Wunderlich, Silke; Liesche-Starnecker, Friederike; Schlegel, Jürgen; Makowski, Marcus R.; Zimmer, Claus; Pfeiffer, Franz; Pfeiffer, Daniela: Five material tissue decomposition by dual energy computed tomography. Scientific Reports 12 (1), 2022 mehr… BibTeX Volltext ( DOI )
  • 7
    Hammel, Johannes; Birnbacher, Lorenz; Makowski, Marcus R.; Pfeiffer, Franz; Pfeiffer, Daniela: Absolute iodine concentration for dynamic perfusion imaging of the myocardium: improved detection of poststenotic ischaemic in a 3D-printed dynamic heart phantom. European Radiology Experimental 6 (1), 2022 mehr… BibTeX Volltext ( DOI )
  • 6
    Gassert, Florian T.; Hammel, Johannes; Hofmann, Felix C.; Neumann, Jan; von Schacky, Claudio E.; Gassert, Felix G.; Pfeiffer, Daniela; Pfeiffer, Franz; Makowski, Marcus R.; Woertler, Klaus; Gersing, Alexandra S.; Schwaiger, Benedikt J.: Detection of Bone Marrow Edema in Patients with Osteoid Osteoma Using Three-Material Decomposition with Dual-Layer Spectral CT. Diagnostics 11 (6), 2021, 953 mehr… BibTeX Volltext ( DOI )
  • 5
    Roski, Ferdinand; Hammel, Johannes; Mei, Kai; Haller, Bernhard; Baum, Thomas; Kirschke, Jan S.; Pfeiffer, Daniela; Woertler, Klaus; Pfeiffer, Franz; Noël, Peter B.; Gersing, Alexandra S.; Schwaiger, Benedikt J.: Opportunistic osteoporosis screening: contrast-enhanced dual-layer spectral CT provides accurate measurements of vertebral bone mineral density. European Radiology, 2020 mehr… BibTeX Volltext ( DOI )
  • 4
    Roski, Ferdinand; Hammel, Johannes; Mei, Kai; Baum, Thomas; Kirschke, Jan S.; Laugerette, Alexis; Kopp, Felix K.; Bodden, Jannis; Pfeiffer, Daniela; Pfeiffer, Franz; Rummeny, Ernst J.; Noël, Peter B.; Gersing, Alexandra S.; Schwaiger, Benedikt J.: Bone mineral density measurements derived from dual-layer spectral CT enable opportunistic screening for osteoporosis. European Radiology, 2019 mehr… BibTeX Volltext ( DOI )
  • 3
    Sauter, Andreas P.; Hammel, Johannes; Ehn, Sebastian; Achterhold, Klaus; Kopp, Felix K.; Kimm, Melanie A.; Mei, Kai; Laugerette, Alexis; Pfeiffer, Franz; Rummeny, Ernst J.; Pfeiffer, Daniela; Noël, Peter B.: Perfusion-ventilation CT via three-material differentiation in dual-layer CT: a feasibility study. Scientific Reports 9 (1), 2019 mehr… BibTeX Volltext ( DOI )
  • 2
    Scherer, Kai; Hammel, Johannes; Sellerer, Thorsten; Mechlem, Korbinian; Renger, Bernhard; Bähr, Andrea; Kupatt, Christian; Hinkel, Rabea; Herzen, Julia; Pfeiffer, Franz; Rummeny, Ernst; Pfeiffer, Daniela: Dynamic Quantitative Iodine Myocardial Perfusion Imaging with Dual-Layer CT using a Porcine Model. Scientific Reports 9 (1), 2019 mehr… BibTeX Volltext ( DOI )
  • 1
    Sellerer, Thorsten; Noël, Peter B.; Patino, Manuel; Parakh, Anushri; Ehn, Sebastian; Zeiter, Sascha; Holz, Jasmin A.; Hammel, Johannes; Fingerle, Alexander A.; Pfeiffer, Franz; Maintz, David; Rummeny, Ernst J.; Muenzel, Daniela; Sahani, Dushyant V.: Dual-energy CT: a phantom comparison of different platforms for abdominal imaging. European Radiology, 2018 mehr… BibTeX Volltext ( DOI )

ECR 03.2023
Vienna, Austria		 "Opportunistic bone mineral density screening in overview scans using spectral detector technology" Oral presentation
IMXP Intl Symposium 08.2022
IAS Garching, Germany

"Bone Density and Quality Assessment using Spectral Detector Technology in Computed Tomography"

 Oral presentation
MIBE BioEngineering days  07.2022 
TUM Garching, Germany  		 "Absolute Iodine Concentration for Dynamic Perfusion Imaging of the Myocardium"        Poster

ECR 07.2022

Vienna, Austria

 "Dynamic myocardial perfusion imaging using quantitative iodine density maps in a 3D printed heart phantom" Oral presentation
2019
Einhoven, Netherlands		 Philips training session Oral presentation
2019
Barcelona, Spain		 EIT Health Project Presentation Oral Presentation
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