Leo Kager

8.7k total citations · 1 hit paper
100 papers, 2.7k citations indexed

About

Leo Kager is a scholar working on Pulmonary and Respiratory Medicine, Rheumatology and Molecular Biology. According to data from OpenAlex, Leo Kager has authored 100 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 49 papers in Pulmonary and Respiratory Medicine, 32 papers in Rheumatology and 31 papers in Molecular Biology. Recurrent topics in Leo Kager's work include Sarcoma Diagnosis and Treatment (40 papers), Bone Tumor Diagnosis and Treatments (25 papers) and Renal and related cancers (16 papers). Leo Kager is often cited by papers focused on Sarcoma Diagnosis and Treatment (40 papers), Bone Tumor Diagnosis and Treatments (25 papers) and Renal and related cancers (16 papers). Leo Kager collaborates with scholars based in Austria, Germany and Switzerland. Leo Kager's co-authors include Stefan Bielack, Helmut Gadner, Ulrike Pötschger, William E. Evans, A. Zoubek, Gevorg Tamamyan, R. Kotz, Heribert Jürgens, Gernot Jundt and Beate Kempf‐Bielack and has published in prestigious journals such as Journal of Clinical Investigation, Journal of Clinical Oncology and SHILAP Revista de lepidopterología.

In The Last Decade

Leo Kager

88 papers receiving 2.7k 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.

Primary Metastatic Osteosarcoma: Presentation and Outcome of Patients Treated on Neoadjuvant Cooperative Osteosarcoma Study Group Protocols

2003 649 citations Leo Kager, Peter Reichardt et al. profile →

Peers

Countries citing papers authored by Leo Kager

Since Specialization

Citations

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

Fields of papers citing papers by Leo Kager

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Leo Kager

This figure shows the co-authorship network connecting the top 25 collaborators of Leo Kager. A scholar is included among the top collaborators of Leo Kager 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 Leo Kager. Leo Kager 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

#	Work	Indexed citations
1	Colorectal Carcinoma in Childhood and Adolescence: Microsatellite Instability Correlates With a Favorable Prognosis 2025 ·Pediatric Blood & Cancer ·Hannah Wild, (unknown), (unknown), (unknown), Andreas Block, Leo Kager, Udo Kontny, Abbas Agaimy, Michaela Kuhlen, Antje Redlich, Andreas Schmidt, Jörg Fuchs, Dominik T. Schneider, Ines B. Brecht, Michael Abele	1
2	Teleangiectatic Osteosarcoma Treated by Surgery and Chemotherapy: A Report of 223 Affected Patients From the Cooperative Osteosarcoma Study Group ( COSS ) 2025 ·Cancer Medicine ·Stefan Bielack, (unknown), Daniel Baumhoer, Andreas Beilken, Claudia Blattmann, Godehard Friedel, Jendrik Hardes, Wolf Hassenpflug, Leo Kager, Matthias Kevric, Thekla von Kalle, Andreas E. Kulozik, Markus Metzler, Michaela Nathrath, Claudia Rössig, Benjamin Sorg, (unknown), Stefanie Hecker‐Nolting	1
3	Primary Multi-Systemic Metastases in Osteosarcoma: Presentation, Treatment, and Survival of 83 Patients of the Cooperative Osteosarcoma Study Group 2024 ·Cancers ·(unknown), Claudia Blattmann, Godehard Friedel, Semi Harrabi, Thekla von Kalle, Leo Kager, Matthias Kevric, Thomas Kühne, Michaela Nathrath, Benjamin Sorg, Mathias Werner, Stefan Bielack, Stefanie Hecker‐Nolting	4
4	Beyond 5‐year survival. A report from the Cooperative Osteosarcoma Study Group (COSS) 2024 ·Cancer Medicine ·(unknown), Claudia Blattmann, Stefanie Hecker‐Nolting, Leo Kager, Matthias Kevric, (unknown), Benjamin Sorg, (unknown), Stefan Bielack	3
5	Osteosarcoma as a secondary malignancy following rhabdomyosarcoma: A report of 28 affected patients from the Cooperative Osteosarcoma Study Group (COSS) 2024 ·Pediatric Blood & Cancer ·Stefan Bielack, (unknown), Stefanie Hecker‐Nolting, Arndt Borkhardt, Jendrik Hardes, Leo Kager, Thekla von Kalle, Matthias Kevric, Ewa Kościelniak, Christian P. Kratz, Thomas Kühne, Michaela Nathrath, Claudia Rössig, Benjamin Sorg, Monika Sparber‐Sauer, Mathias Werner, Claudia Blattmann	1
6	The impact of the route to diagnosis in nephroblastoma 2024 ·Cancer Medicine ·(unknown), (unknown), Rhoikos Furtwängler, Patrick Melchior, Christian Vokuhl, Manfred Gessler, (unknown), Leo Kager, Jens‐Peter Schenk, Norbert Graf	3
7	How to improve initial diagnostic accuracy of kidney tumours in childhood?—A non‐invasive approach 2024 ·International Journal of Cancer ·(unknown), (unknown), Rhoikos Furtwängler, Ahmed Bayoumi, (unknown), Leo Kager, Christian Vokuhl, Steven W. Warmann, Jörg Fuchs, (unknown), Patrick Melchior, Manfred Gessler, Stefan Wagenpfeil, Jens‐Peter Schenk, Norbert Graf	0
8	Importance of genetic clarification in cytopenia syndromes (childhood myelodysplastic syndrome forms) 2024 ·memo - Magazine of European Medical Oncology ·(unknown), (unknown), (unknown), (unknown), (unknown), Ingrid Simonitsch‐Klupp, Heidrun Boztug, Gernot Engstler, Leo Kager, Kaan Boztuǧ, Michael Dworzak	0
9	A single‐center cohort study of patients with hereditary spherocytosis in Central Europe reveals a high frequency of novel disease‐causing genotypes 2024 ·HemaSphere ·Leo Kager, Raúl Jiménez Heredia, (unknown), (unknown), Sebastian K. Eder, (unknown), (unknown), Karin Nebral, Matthias Haimel, René Geyeregger, (unknown), Oskar A. Haas, Kaan Boztuǧ	1
10	Secondary Malignancy In Giant Cell Tumor Of The Skull Base After Denosumab Treatment: Case Report 2023 ·(unknown), Leo Kager, (unknown)	0
11	Impact of Time to Surgery on Outcome in Wilms Tumor Treated with Preoperative Chemotherapy 2023 ·Cancers ·(unknown), Rhoikos Furtwängler, (unknown), (unknown), Patrick Melchior, Jens‐Peter Schenk, Christian Vokuhl, Leo Kager, (unknown), Stefan Wagenpfeil, Norbert Graf	2
12	How the long-term follow-up is organized in young adult survivors of childhood cancer 2023 ·memo - Magazine of European Medical Oncology ·Edit Bárdi, Leo Kager, Wolfgang Holter	0
13	Establishment, Maintenance, and Performance of the Cooperative Osteosarcoma Study Group (COSS) 2023 ·Cancers ·Stefan Bielack, Leo Kager, Thomas Kühne, Thorsten Langer, Peter Reichardt, Claudia Blattmann, Matthias Kevric, (unknown), Benjamin Sorg, Stefanie Hecker‐Nolting	7
14	Evans syndrome caused by a deleterious mutation affecting the adaptor protein SASH3 2023 ·British Journal of Haematology ·(unknown), (unknown), Michael Svatoň, Raúl Jiménez Heredia, (unknown), (unknown), (unknown), (unknown), Sebastian K. Eder, Arno Rottal, Doris Trapin, (unknown), Winfried F. Pickl, (unknown), Leo Kager, Kaan Boztuǧ	0
15	Secondary malignant neoplasms after bone and soft tissue sarcomas in children, adolescents, and young adults 2022 ·Cancer ·(unknown), Claudia Blattmann, Stefan Bielack, Leo Kager, Peter Kaatsch, Thomas Kühne, Benjamin Sorg, Matthias Kevric, Susanne Jabar, Erika Hallmen, Monika Sparber‐Sauer, Thomas Klingebiel, Ewa Kościelniak, Uta Dirksen, Stefanie Hecker‐Nolting, Joachim Gerß	11
16	Vena Cava Thrombus in Patients with Wilms Tumor 2022 ·Cancers ·(unknown), Rhoikos Furtwängler, Dietrich von Schweinitz, Raimund Stein, (unknown), Stefan Wagenpfeil, Leo Kager, Jens‐Peter Schenk, Christian Vokuhl, Patrick Melchior, Jörg Fuchs, Norbert Graf	6
17	Characteristics of Nephroblastoma/Nephroblastomatosis in Children with a Clinically Reported Underlying Malformation or Cancer Predisposition Syndrome 2021 ·Cancers ·(unknown), (unknown), Rhoikos Furtwängler, Patrick Melchior, Leo Kager, Christian Vokuhl, Jens‐Peter Schenk, (unknown), Stefan Siemer, Manfred Gessler, Norbert Graf	7
18	Treatment of Nephroblastomatosis: The GPOH Experience 1993-2014 2016 ·Pediatric Blood & Cancer ·Rhoikos Furtwängler, Michael Müller, Nasenien Nourkami‐Tutdibi, Steven W. Warmann, Jochen Hubertus, Christian Vokuhl, Ivo Leuschner, Jens Peter Schenk, Leo Kager, Norbert Graf	1
19	Cutting Edge: A Hypomorphic Mutation in Igβ (CD79b) in a Patient with Immunodeficiency and a Leaky Defect in B Cell Development 2007 ·The Journal of Immunology ·Kerry Dobbs, Tianyu Yang, Dana M. Farmer, Leo Kager, Ornella Parolini, Mary Ellen Conley	49
20	Folate pathway gene expression differs in subtypes of acute lymphoblastic leukemia and influences methotrexate pharmacodynamics 2005 ·Journal of Clinical Investigation ·Leo Kager, Meyling Cheok, Wenjian Yang, (unknown), Qing Cheng, John C. Panetta, Ching‐Hon Pui, James R. Downing, Mary V. Relling, William E. Evans	109

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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