Karl F. Otto

4.0k total citations · 2 hit papers
58 papers, 3.1k citations indexed

About

Karl F. Otto is a scholar working on Radiation, Pulmonary and Respiratory Medicine and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Karl F. Otto has authored 58 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 43 papers in Radiation, 31 papers in Pulmonary and Respiratory Medicine and 25 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Karl F. Otto's work include Advanced Radiotherapy Techniques (43 papers), Radiation Therapy and Dosimetry (25 papers) and Medical Imaging Techniques and Applications (15 papers). Karl F. Otto is often cited by papers focused on Advanced Radiotherapy Techniques (43 papers), Radiation Therapy and Dosimetry (25 papers) and Medical Imaging Techniques and Applications (15 papers). Karl F. Otto collaborates with scholars based in Canada, United States and Australia. Karl F. Otto's co-authors include Richard Shaffer, David A. Palma, Vitali Moiseenko, Sandy Nakano, Michael McKenzie, E. Vollans, James Morris, Alan Nichol, Ivo A. Olivotto and C. Popescu and has published in prestigious journals such as Scientific Reports, International Journal of Radiation Oncology*Biology*Physics and Modern Language Journal.

In The Last Decade

Karl F. Otto

50 papers receiving 3.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Volumetric modulated arc therapy: IMRT in a single gantry arc

2007 1.4k citations Karl F. Otto Medical Physics profile →
Volumetric Modulated Arc Therapy for Delivery of Prostate Radiotherapy: Comparison With Intensity-Modulated Radiotherapy and Three-Dimensional Conformal Radiotherapy

2008 440 citations David A. Palma, E. Vollans et al. International Journal of Radiation Oncology*Biology*Physics profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Karl F. Otto Canada	18	2.7k	2.1k	1.6k	557	246	58	3.1k
Bhudatt R. Paliwal United States	24	2.5k 0.9×	1.6k 0.8×	1.9k 1.2×	587 1.1×	182 0.7×	90	3.0k
Eugenio Vanetti Switzerland	36	3.4k 1.3×	2.6k 1.3×	2.1k 1.3×	612 1.1×	279 1.1×	63	3.8k
Alessandro Clivio Switzerland	36	3.5k 1.3×	2.7k 1.3×	2.1k 1.3×	615 1.1×	279 1.1×	72	3.9k
Paul Reckwerdt United States	23	3.0k 1.1×	2.0k 0.9×	2.3k 1.4×	731 1.3×	65 0.3×	41	3.2k
Nesrin Dogan United States	22	1.7k 0.6×	1.2k 0.6×	1.5k 0.9×	595 1.1×	143 0.6×	75	2.3k
Cheng‐Shie Wuu United States	17	1.4k 0.5×	1.1k 0.5×	968 0.6×	274 0.5×	169 0.7×	52	1.9k
Karen P. Doppke United States	25	2.2k 0.8×	1.7k 0.8×	1.4k 0.8×	484 0.9×	363 1.5×	67	3.1k
A. Dutreix France	27	1.8k 0.6×	1.2k 0.6×	1.2k 0.7×	251 0.5×	138 0.6×	120	2.4k
Koen Tournel Belgium	25	1.5k 0.6×	1.0k 0.5×	1.0k 0.6×	275 0.5×	86 0.3×	59	1.9k
Nadine Linthout Belgium	21	1.5k 0.5×	1.0k 0.5×	1.2k 0.7×	278 0.5×	87 0.4×	43	1.9k

Countries citing papers authored by Karl F. Otto

Since Specialization

Citations

This map shows the geographic impact of Karl F. Otto'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 Karl F. Otto with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Karl F. Otto more than expected).

Fields of papers citing papers by Karl F. Otto

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karl F. Otto. 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 Karl F. Otto. The network helps show where Karl F. Otto may publish in the future.

Co-authorship network of co-authors of Karl F. Otto

This figure shows the co-authorship network connecting the top 25 collaborators of Karl F. Otto. A scholar is included among the top collaborators of Karl F. Otto 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 Karl F. Otto. Karl F. Otto is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Whelan, Brendan, et al.. (2025). Monte Carlo simulation of a novel medical linac concept for highly conformal x-ray FLASH cancer radiotherapy. Scientific Reports. 15(1). 17604–17604.

Wong, Jordan, Vicky Huang, Derek Wells, et al.. (2021). Implementation of deep learning-based auto-segmentation for radiotherapy planning structures: a workflow study at two cancer centers. Radiation Oncology. 16(1). 101–101. 57 indexed citations

Atwood, Todd, Rie von Eyben, B Fahimian, et al.. (2015). Trajectory Modulated Arc Therapy: A Fully Dynamic Delivery With Synchronized Couch and Gantry Motion Significantly Improves Dosimetric Indices Correlated With Poor Cosmesis in Accelerated Partial Breast Irradiation. International Journal of Radiation Oncology*Biology*Physics. 92(5). 1148–1156. 18 indexed citations

Otto, Karl F.. (2014). Real-time interactive treatment planning. Physics in Medicine and Biology. 59(17). 4845–4859. 16 indexed citations

Otto, Karl F., Richard T. Hoppe, Annie Hsu, et al.. (2014). Poster — Thur Eve — 38: Feasibility of a Table‐Top Total Body Irradiation Technique using Robotic Couch Motion. Medical Physics. 41(8Part2). 15–15. 1 indexed citations

Loewen, Shaun, et al.. (2012). Sci-Thur PM: YIS - 03: Comparing 4D-VMAT, Gated-VMAT and 3D-VMAT in SBRT treatment of lung cancer. Medical Physics. 39(7Part2). 4622–4622. 1 indexed citations

Palma, David A., Wilko F.A.R. Verbakel, Karl F. Otto, & Suresh Senan. (2010). New developments in arc radiation therapy: A review. Cancer Treatment Reviews. 36(5). 393–399. 104 indexed citations

Popescu, C., Ivo A. Olivotto, Wayne Beckham, et al.. (2009). Volumetric Modulated Arc Therapy Improves Dosimetry and Reduces Treatment Time Compared to Conventional Intensity-Modulated Radiotherapy for Locoregional Radiotherapy of Left-Sided Breast Cancer and Internal Mammary Nodes. International Journal of Radiation Oncology*Biology*Physics. 76(1). 287–295. 271 indexed citations

Palma, David A., et al.. (2009). In Reply to Dr. Ost and Colleagues. International Journal of Radiation Oncology*Biology*Physics. 73(4). 1287–1287. 1 indexed citations

10.

Hsu, Fred, Hannah Carolan, Alan Nichol, et al.. (2009). Whole Brain Radiotherapy With Hippocampal Avoidance and Simultaneous Integrated Boost for 1–3 Brain Metastases: A Feasibility Study Using Volumetric Modulated Arc Therapy. International Journal of Radiation Oncology*Biology*Physics. 76(5). 1480–1485. 94 indexed citations

11.

Shaffer, Richard, Alan Nichol, E. Vollans, et al.. (2009). A Comparison of Volumetric Modulated Arc Therapy and Conventional Intensity-Modulated Radiotherapy for Frontal and Temporal High-Grade Gliomas. International Journal of Radiation Oncology*Biology*Physics. 76(4). 1177–1184. 118 indexed citations

12.

Palma, David A., E. Vollans, Sandy Nakano, et al.. (2008). Volumetric Modulated Arc Therapy for Delivery of Prostate Radiotherapy: Comparison With Intensity-Modulated Radiotherapy and Three-Dimensional Conformal Radiotherapy. International Journal of Radiation Oncology*Biology*Physics. 72(4). 996–1001. 440 indexed citations breakdown →

13.

Alexander, Abraham, Derek Wells, Tanya Berrang, et al.. (2008). Volumetric Arc Therapy (VMAT) Reduces Treatment Time Compared to Conventional IMRT (cIMRT) While Maintaining Similar Plan Quality in Whole Pelvic Gynecologic Radiotherapy. International Journal of Radiation Oncology*Biology*Physics. 72(1). S366–S366. 6 indexed citations

14.

Thomas, Carys, et al.. (2008). An anthropomorphic phantom study of visualisation of surgical clips for partial breast irradiation (PBI) setup verification. Radiotherapy and Oncology. 90(1). 56–59. 13 indexed citations

15.

Otto, Karl F.. (2007). Volumetric modulated arc therapy: IMRT in a single gantry arc. Medical Physics. 35(1). 310–317. 1443 indexed citations breakdown →

16.

Bergman, Alanah, et al.. (2006). Direct aperture optimization for IMRT using Monte Carlo generated beamlets. Medical Physics. 33(10). 3666–3679. 39 indexed citations

17.

Bergman, Alanah, Karl F. Otto, & Cheryl Duzenli. (2004). The use of modified single pencil beam dose kernels to improve IMRT dose calculation accuracy. Medical Physics. 31(12). 3279–3287. 5 indexed citations

18.

Arnfield, M.R., et al.. (2004). The use of film dosimetry of the penumbra region to improve the accuracy of intensity modulated radiotherapy. Medical Physics. 32(1). 12–18. 39 indexed citations

19.

Morris, William, Ingrid Spadinger, Mira Keyes, et al.. (2002). Prostate brachytherapy postimplant dosimetry: a comparison of prostate quadrants. International Journal of Radiation Oncology*Biology*Physics. 52(2). 544–552. 38 indexed citations

20.

Otto, Karl F., et al.. (1979). Cytomorphologic results of preparation experiments for monolayer deposition of cervical material.. Journal of Histochemistry & Cytochemistry. 27(1). 19–24. 2 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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