Alessandra Siegmann

2.0k total citations · 1 hit paper
25 papers, 1.1k citations indexed

About

Alessandra Siegmann is a scholar working on Pulmonary and Respiratory Medicine, Radiation and Surgery. According to data from OpenAlex, Alessandra Siegmann has authored 25 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Pulmonary and Respiratory Medicine, 7 papers in Radiation and 5 papers in Surgery. Recurrent topics in Alessandra Siegmann's work include Prostate Cancer Treatment and Research (20 papers), Prostate Cancer Diagnosis and Treatment (19 papers) and Advanced Radiotherapy Techniques (7 papers). Alessandra Siegmann is often cited by papers focused on Prostate Cancer Treatment and Research (20 papers), Prostate Cancer Diagnosis and Treatment (19 papers) and Advanced Radiotherapy Techniques (7 papers). Alessandra Siegmann collaborates with scholars based in Germany, United States and Türkiye. Alessandra Siegmann's co-authors include Thomas Wiegel, Dirk Bottke, W. Hinkelbein, Kurt Miller, Axel Hinke, Stephan Störkel, Reinhard Golz, Michael Stöckle, T. Kälble and Christian Rübe and has published in prestigious journals such as Journal of Clinical Oncology, International Journal of Radiation Oncology*Biology*Physics and European Urology.

In The Last Decade

Alessandra Siegmann

24 papers receiving 1.1k citations

Hit Papers

Phase III Postoperative Adjuvant Radiotherapy After Radic... 2009 2026 2014 2020 2009 100 200 300 400 500
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.

  1. Phase III Postoperative Adjuvant Radiotherapy After Radical Prostatectomy Compared With Radical Prostatectomy Alone in pT3 Prostate Cancer With Postoperative Undetectable Prostate-Specific Antigen: ARO 96-02/AUO AP 09/95
    2009 596 citations Thomas Wiegel, Dirk Bottke et al. Journal of Clinical Oncology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Alessandra Siegmann Germany 14 1.0k 339 216 183 93 25 1.1k
Larry B. Levy United States 12 1.0k 1.0× 441 1.3× 162 0.8× 176 1.0× 112 1.2× 15 1.2k
Phillip Rubin United States 4 983 1.0× 264 0.8× 116 0.5× 140 0.8× 67 0.7× 10 1.1k
M. Gallagher United States 5 745 0.7× 226 0.7× 117 0.5× 124 0.7× 50 0.5× 8 792
A.V. D’Amico United States 7 812 0.8× 121 0.4× 157 0.7× 157 0.9× 85 0.9× 16 924
Jo-Åsmund Lund Norway 6 849 0.8× 280 0.8× 82 0.4× 259 1.4× 184 2.0× 7 1.0k
Chakiath Jose New Zealand 7 1.1k 1.1× 765 2.3× 76 0.4× 144 0.8× 188 2.0× 9 1.2k
André‐Guy Martin Canada 19 774 0.8× 504 1.5× 67 0.3× 148 0.8× 176 1.9× 90 1.0k
Tom Budiharto Belgium 15 1.0k 1.0× 477 1.4× 239 1.1× 184 1.0× 475 5.1× 30 1.3k
Alphonsus C. M. van den Bergh Netherlands 2 620 0.6× 153 0.5× 64 0.3× 84 0.5× 58 0.6× 4 667
Bradley J. Stish United States 14 513 0.5× 183 0.5× 68 0.3× 138 0.8× 159 1.7× 66 700

Countries citing papers authored by Alessandra Siegmann

Since Specialization
Citations

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

Fields of papers citing papers by Alessandra Siegmann

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alessandra Siegmann. 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 Alessandra Siegmann. The network helps show where Alessandra Siegmann may publish in the future.

Co-authorship network of co-authors of Alessandra Siegmann

This figure shows the co-authorship network connecting the top 25 collaborators of Alessandra Siegmann. A scholar is included among the top collaborators of Alessandra Siegmann 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 Alessandra Siegmann. Alessandra Siegmann 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.
Scharl, Sophia, Alessandra Siegmann, Reinhard Thamm, et al.. (2024). Undetectable PSA predicts outcome after salvage radiotherapy for biochemical recurrence following radical prostatectomy. Radiotherapy and Oncology. 200. 110476–110476.
2.
Böhmer, Dirk, Alessandra Siegmann, Sophia Scharl, et al.. (2022). Impact of Dose Escalation on the Efficacy of Salvage Radiotherapy for Recurrent Prostate Cancer—A Risk-Adjusted, Matched-Pair Analysis. Cancers. 14(5). 1320–1320. 2 indexed citations
3.
Tilki, Derya, Felix Preißer, Reinhard Thamm, et al.. (2022). Salvage Radiotherapy versus Observation for Biochemical Recurrence following Radical Prostatectomy for Prostate Cancer: A Matched Pair Analysis. Cancers. 14(3). 740–740. 5 indexed citations
4.
Bartkowiak, Detlef, Reinhard Thamm, Alessandra Siegmann, et al.. (2020). Lead-time bias does not falsify the efficacy of early salvage radiotherapy for recurrent prostate cancer. Radiotherapy and Oncology. 154. 255–259. 5 indexed citations
5.
Bottke, Dirk, Detlef Bartkowiak, Alessandra Siegmann, et al.. (2018). Effect of early salvage radiotherapy at PSA < 0.5 ng/ml and impact of post-SRT PSA nadir in post-prostatectomy recurrent prostate cancer. Prostate Cancer and Prostatic Diseases. 22(2). 344–349. 11 indexed citations
6.
Budäus, Lars, Jonas Schiffmann, Markus Graefen, et al.. (2017). Defining biochemical recurrence after radical prostatectomy and timing of early salvage radiotherapy. Strahlentherapie und Onkologie. 193(9). 692–699. 14 indexed citations
7.
Wiegel, Thomas, Detlef Bartkowiak, Dirk Bottke, et al.. (2014). Prostate-Specific Antigen Persistence After Radical Prostatectomy as a Predictive Factor of Clinical Relapse-Free Survival and Overall Survival: 10-Year Data of the ARO 96-02 Trial. International Journal of Radiation Oncology*Biology*Physics. 91(2). 288–294. 51 indexed citations
8.
Bottke, Dirk, Reinhard Golz, Stephan Störkel, et al.. (2013). Phase 3 Study of Adjuvant Radiotherapy Versus Wait and See in pT3 Prostate Cancer: Impact of Pathology Review on Analysis. European Urology. 64(2). 193–198. 28 indexed citations
9.
Bottke, Dirk, Christian Bronner, Ulrich K. Steiner, et al.. (2013). 192 The 10-years follow-up of the ARO 96-02/AUO AP 09/95 trial on adjuvant radiotherapy (ART) versus wait-and-see (WS) after prostatectomy for pT3 cancer – subgroup analysis. European Urology Supplements. 12(1). e192–e193. 3 indexed citations
10.
Wiegel, Thomas, Dirk Bottke, Detlef Bartkowiak, et al.. (2013). Phase III results of adjuvant radiotherapy (RT) versus wait-and-see (WS) in patients with pT3 prostate cancer following radical prostatectomy (RP)(ARO 96-02/AUO AP 09/95): Ten years follow-up.. Journal of Clinical Oncology. 31(6_suppl). 4–4. 6 indexed citations
11.
Siegmann, Alessandra, Dirk Bottke, Kurt Miller, et al.. (2011). Dose Escalation for Patients with Decreasing PSA during Radiotherapy for Elevated PSA after Radical Prostatectomy Improves Biochemical Progression-Free Survival. Strahlentherapie und Onkologie. 187(8). 467–472. 25 indexed citations
12.
Siegmann, Alessandra, Dirk Bottke, Kurt Miller, et al.. (2011). Salvage radiotherapy after prostatectomy – What is the best time to treat?. Radiotherapy and Oncology. 103(2). 239–243. 46 indexed citations
13.
Wiegel, Thomas, Dirk Bottke, Ursula Steiner, et al.. (2009). Phase III Postoperative Adjuvant Radiotherapy After Radical Prostatectomy Compared With Radical Prostatectomy Alone in pT3 Prostate Cancer With Postoperative Undetectable Prostate-Specific Antigen: ARO 96-02/AUO AP 09/95. Journal of Clinical Oncology. 27(18). 2924–2930. 596 indexed citations breakdown →
14.
Wiegel, Thomas, Dirk Bottke, Stefan Höcht, et al.. (2008). Achieving an Undetectable PSA After Radiotherapy for Biochemical Progression After Radical Prostatectomy Is an Independent Predictor of Biochemical Outcome—Results of a Retrospective Study. International Journal of Radiation Oncology*Biology*Physics. 73(4). 1009–1016. 101 indexed citations
15.
Wiegel, Thomas, Dirk Bottke, Normann Willich, et al.. (2007). Phase III Results of Adjuvant Radiotherapy Versus “Wait and See” in Patients With pT3 Prostate Cancer Following Radical Prostatectomy (ARO 96-02/AUO AP 09/95). International Journal of Radiation Oncology*Biology*Physics. 69(3). S172–S173. 16 indexed citations
16.
Wiegel, Thomas, Dirk Bottke, Normann Willich, et al.. (2007). Phase III results of adjuvant radiotherapy (RT) versus wait-and-see (WS) in patients with pT3 prostate cancer following radical prostatectomy (RP)(ARO 96–02/AUO AP 09/95). Journal of Clinical Oncology. 25(18_suppl). 5060–5060. 69 indexed citations
17.
Wiegel, Thomas, Alessandra Siegmann, Julian Willner, et al.. (2004). A Multicenter Analysis of 123 Patients with Recurrent Rectal Cancer within the Pelvis. Frontiers of radiation therapy and oncology. 38. 41–51. 1 indexed citations
18.
Höcht, Stefan, Thomas Wiegel, Alessandra Siegmann, et al.. (2004). Recurrent Rectal Cancer within the Pelvis. Strahlentherapie und Onkologie. 180(1). 15–20. 18 indexed citations
19.
Groß, Markus W., et al.. (2004). Open-label simultaneous radio-chemotherapy of glioblastoma multiforme with topotecan in adults. Clinical Neurology and Neurosurgery. 107(3). 207–213. 14 indexed citations
20.
Mann, Benno, Christoph‐Thomas Germer, Alessandra Siegmann, et al.. (2004). Pelvic sidewall involvement in recurrent rectal cancer. International Journal of Colorectal Disease. 19(2). 108–113. 18 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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