Lothar Spies

1.4k total citations
50 papers, 1.0k citations indexed

About

Lothar Spies is a scholar working on Radiology, Nuclear Medicine and Imaging, Psychiatry and Mental health and Pathology and Forensic Medicine. According to data from OpenAlex, Lothar Spies has authored 50 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Radiology, Nuclear Medicine and Imaging, 13 papers in Psychiatry and Mental health and 12 papers in Pathology and Forensic Medicine. Recurrent topics in Lothar Spies's work include Medical Imaging Techniques and Applications (13 papers), Dementia and Cognitive Impairment Research (13 papers) and Multiple Sclerosis Research Studies (12 papers). Lothar Spies is often cited by papers focused on Medical Imaging Techniques and Applications (13 papers), Dementia and Cognitive Impairment Research (13 papers) and Multiple Sclerosis Research Studies (12 papers). Lothar Spies collaborates with scholars based in Germany, United States and Switzerland. Lothar Spies's co-authors include M. Bal, Thomas Bortfeld, Per Suppa, Roland Opfer, Ralph Buchert, Sven Schippling, Mike Partridge, Ann‐Christin Ostwaldt, Catharina Lange and M. Ebert and has published in prestigious journals such as Physical review. B, Condensed matter, Neurology and International Journal of Radiation Oncology*Biology*Physics.

In The Last Decade

Lothar Spies

48 papers receiving 1.0k citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Lothar Spies Germany 18 597 432 194 168 135 50 1.0k
Marie‐Louise Montandon Switzerland 18 726 1.2× 231 0.5× 143 0.7× 147 0.9× 54 0.4× 52 1.1k
Jakob Wasserthal Switzerland 10 867 1.5× 215 0.5× 49 0.3× 71 0.4× 102 0.8× 23 1.2k
Benjamin A. Thomas United Kingdom 11 985 1.6× 175 0.4× 237 1.2× 355 2.1× 164 1.2× 25 1.5k
Kenji Ino Japan 18 702 1.2× 129 0.3× 62 0.3× 83 0.5× 142 1.1× 63 1.2k
Teréz Séra Hungary 19 742 1.2× 185 0.4× 82 0.4× 57 0.3× 202 1.5× 35 1.3k
Michael Wyss Switzerland 20 625 1.0× 170 0.4× 41 0.2× 125 0.7× 217 1.6× 64 1.5k
Paul W. De Bruin Netherlands 13 438 0.7× 175 0.4× 51 0.3× 162 1.0× 42 0.3× 15 831
M. Sibomana Belgium 23 1.8k 3.0× 408 0.9× 694 3.6× 82 0.5× 266 2.0× 58 2.2k
J. Zaers Germany 7 496 0.8× 121 0.3× 152 0.8× 64 0.4× 58 0.4× 13 763
Sune H. Keller Denmark 21 737 1.2× 139 0.3× 93 0.5× 57 0.3× 154 1.1× 67 1.3k

Countries citing papers authored by Lothar Spies

Since Specialization
Citations

This map shows the geographic impact of Lothar Spies's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Lothar Spies with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Lothar Spies more than expected).

Fields of papers citing papers by Lothar Spies

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Lothar Spies. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Lothar Spies. The network helps show where Lothar Spies may publish in the future.

Co-authorship network of co-authors of Lothar Spies

This figure shows the co-authorship network connecting the top 25 collaborators of Lothar Spies. A scholar is included among the top collaborators of Lothar Spies based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Lothar Spies. Lothar Spies is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hedderich, Dennis M., et al.. (2025). Clinical validation of artificial intelligence-based single-subject morphometry without normative reference database. Journal of Alzheimer s Disease. 103(2). 542–551. 1 indexed citations
2.
Opfer, Roland, et al.. (2024). BrainLossNet: a fast, accurate and robust method to estimate brain volume loss from longitudinal MRI. International Journal of Computer Assisted Radiology and Surgery. 19(9). 1763–1771. 1 indexed citations
3.
Opfer, Roland, et al.. (2024). Higher effect sizes for the detection of accelerated brain volume loss and disability progression in multiple sclerosis using deep-learning. Computers in Biology and Medicine. 183. 109289–109289. 1 indexed citations
4.
Villringer, Kersten, R. Sokiranski, Roland Opfer, et al.. (2024). An Artificial Intelligence Algorithm Integrated into the Clinical Workflow Can Ensure High Quality Acute Intracranial Hemorrhage CT Diagnostic.. Clinical Neuroradiology. 35(1). 115–122. 2 indexed citations
5.
Opfer, Roland, Lothar Spies, Ann‐Christin Ostwaldt, et al.. (2022). Automatic segmentation of the thalamus using a massively trained 3D convolutional neural network: higher sensitivity for the detection of reduced thalamus volume by improved inter-scanner stability. European Radiology. 33(3). 1852–1861. 19 indexed citations
6.
Opfer, Roland, et al.. (2022). Single-subject analysis of regional brain volumetric measures can be strongly influenced by the method for head size adjustment. Neuroradiology. 64(10). 2001–2009. 4 indexed citations
7.
Ostwaldt, Ann‐Christin, Lothar Spies, Benjamin Geisler, et al.. (2021). Infratentorial lesions in multiple sclerosis patients: intra- and inter-rater variability in comparison to a fully automated segmentation using 3D convolutional neural networks. European Radiology. 32(4). 2798–2809. 13 indexed citations
8.
Apostolova, Ivayla, Catharina Lange, Per Suppa, et al.. (2018). Impact of plasma glucose level on the pattern of brain FDG uptake and the predictive power of FDG PET in mild cognitive impairment. European Journal of Nuclear Medicine and Molecular Imaging. 45(8). 1417–1422. 21 indexed citations
9.
Apostolova, Ivayla, Catharina Lange, Lothar Spies, et al.. (2016). Preserved brain metabolic activity at the age of 96 years. International Psychogeriatrics. 28(9). 1575–1577. 1 indexed citations
10.
Egger, Christine, Roland Opfer, Chenyu Wang, et al.. (2016). MRI FLAIR lesion segmentation in multiple sclerosis: Does automated segmentation hold up with manual annotation?. NeuroImage Clinical. 13. 264–270. 84 indexed citations
11.
Lange, Catharina, Per Suppa, Kerstin Ritter, et al.. (2016). Mental speed is associated with the shape irregularity of white matter MRI hyperintensity load. Brain Imaging and Behavior. 11(6). 1720–1730. 9 indexed citations
12.
Burkhardt, Till, Daniel Lüdecke, Lothar Spies, et al.. (2015). Hippocampal and cerebellar atrophy in patients with Cushing’s disease. Neurosurgical FOCUS. 39(5). E5–E5. 30 indexed citations
13.
14.
Spies, Lothar, et al.. (2013). Fully automatic detection of deep white matter T1 hypointense lesions in multiple sclerosis. Physics in Medicine and Biology. 58(23). 8323–8337. 9 indexed citations
15.
Bal, M. & Lothar Spies. (2006). Metal artifact reduction in CT using tissue-class modeling and adaptive prefiltering. Medical Physics. 33(8). 2852–2859. 189 indexed citations
16.
Kim, Yusung, Wolfgang A. Tomé, M. Bal, Todd McNutt, & Lothar Spies. (2006). The impact of dental metal artifacts on head and neck IMRT dose distributions. Radiotherapy and Oncology. 79(2). 198–202. 54 indexed citations
17.
Spies, Lothar, et al.. (2001). Correction of scatter in megavoltage cone-beam CT. Physics in Medicine and Biology. 46(3). 821–833. 70 indexed citations
18.
Spies, Lothar, et al.. (2001). An iterative algorithm for reconstructing incident beam distributions from transmission measurements using electronic portal imaging. Physics in Medicine and Biology. 46(8). N203–N211. 18 indexed citations
19.
Spies, Lothar, et al.. (1998). Tomotherapeutic portal imaging for radiation treatment verification. Physics in Medicine and Biology. 43(12). 3607–3616. 42 indexed citations
20.
Spies, Lothar, et al.. (1997). Exact density of states of a two-dimensional electron gas in a strong magnetic field and a long-range correlated random potential. Physical review. B, Condensed matter. 55(7). 4057–4060. 14 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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