Gregory Kaltsas

31.2k total citations · 6 hit papers
371 papers, 17.2k citations indexed

About

Gregory Kaltsas is a scholar working on Epidemiology, Endocrinology, Diabetes and Metabolism and Oncology. According to data from OpenAlex, Gregory Kaltsas has authored 371 papers receiving a total of 17.2k indexed citations (citations by other indexed papers that have themselves been cited), including 166 papers in Epidemiology, 156 papers in Endocrinology, Diabetes and Metabolism and 117 papers in Oncology. Recurrent topics in Gregory Kaltsas's work include Neuroendocrine Tumor Research Advances (148 papers), Neuroblastoma Research and Treatments (108 papers) and Lung Cancer Research Studies (91 papers). Gregory Kaltsas is often cited by papers focused on Neuroendocrine Tumor Research Advances (148 papers), Neuroblastoma Research and Treatments (108 papers) and Lung Cancer Research Studies (91 papers). Gregory Kaltsas collaborates with scholars based in Greece, United Kingdom and United States. Gregory Kaltsas's co-authors include Ashley Grossman, Eva Kassi, Krystallenia Alexandraki, G. M. Besser, George P. Chrousos, Panagiota Pervanidou, John P. Monson, Wouter W. de Herder, Ioannis I. Androulakis and Robert T. Jensen and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and Blood.

In The Last Decade

Gregory Kaltsas

362 papers receiving 16.7k citations

Hit Papers

Gastroenteropancreatic neuroendocrine tumours 1995 2026 2005 2015 2008 2011 2016 1995 2015 400 800 1.2k
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. Gastroenteropancreatic neuroendocrine tumours
    2008 1.2k citations Wouter W. de Herder, Martyn Caplin et al. profile →
  2. Metabolic syndrome: definitions and controversies
    2011 1.1k citations Eva Kassi, Gregory Kaltsas et al. profile →
  3. ENETS Consensus Guidelines Update for the Management of Patients with Functional Pancreatic Neuroendocrine Tumors and Non-Functional Pancreatic Neuroendocrine Tumors
    2016 911 citations Massimo Falconi, Gregory Kaltsas et al. Neuroendocrinology profile →
  4. Andrology: Polycystic ovary syndrome: the spectrum of the disorder in 1741 patients
    1995 758 citations Gregory Kaltsas et al. profile →
  5. Aggressive Pituitary Tumors
    2015 409 citations Eleftherios Chatzellis, Krystallenia Alexandraki et al. Neuroendocrinology profile →
  6. Empagliflozin Attenuates Non-Alcoholic Fatty Liver Disease (NAFLD) in High Fat Diet Fed ApoE(-/-) Mice by Activating Autophagy and Reducing ER Stress and Apoptosis
    2021 234 citations Narjes Nasiri‐Ansari, Georgios Kyriakopoulos et al. profile →

Peers

Gregory Kaltsas
John Wass United Kingdom
Andrea Giustina Italy
Antongiulio Faggiano Italy
Thomas M. O’Dorisio United States
Akira Miyauchi Japan
Richard A. Feelders Netherlands
Johannes W. A. Smit Netherlands
Yasuhiro Ito Japan
Antonio Maria Morselli‐Labate Italy
Claudio Marcocci Italy
John Wass United Kingdom
Gregory Kaltsas
Citations per year, relative to Gregory Kaltsas Gregory Kaltsas (= 1×) peers John Wass

Countries citing papers authored by Gregory Kaltsas

Since Specialization
Citations

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

Fields of papers citing papers by Gregory Kaltsas

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Gregory Kaltsas

This figure shows the co-authorship network connecting the top 25 collaborators of Gregory Kaltsas. A scholar is included among the top collaborators of Gregory Kaltsas 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 Gregory Kaltsas. Gregory Kaltsas 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.
Kontzoglou, Konstantinos, et al.. (2025). Cardiovascular events and biochemically negative paragangliomas: a systematic review. Journal of Hypertension. 43(7). 1116–1125.
2.
McNamara, Mairéad G., Halfdan Sørbye, Nehara Begum, et al.. (2025). Controversies in NEN : An ENETS position statement on the treatment of patients with Grade 3 well‐differentiated neuroendocrine tumours of the gastro‐enteropancreatic tract. Journal of Neuroendocrinology. 37(12). e70080–e70080. 1 indexed citations
3.
Angelousi, Anna, et al.. (2023). New developments and concepts in the diagnosis and management of diabetes insipidus (AVP‐deficiency and resistance). Journal of Neuroendocrinology. 35(1). e13233–e13233. 8 indexed citations
4.
Tsoli, Marina, Kosmas Daskalakis, Anna Angelousi, et al.. (2023). Pancreatic metastases in patients with neuroendocrine neoplasms: A multi‐centre cohort study. Journal of Neuroendocrinology. 35(4). e13269–e13269. 1 indexed citations
5.
Kaltsas, Gregory, Thomas Walter, Ulrich Knigge, et al.. (2023). European Neuroendocrine Tumor Society ( ENETS ) 2023 guidance paper for appendiceal neuroendocrine tumours ( aNET ). Journal of Neuroendocrinology. 35(10). e13332–e13332. 19 indexed citations
6.
Koumarianou, Anna, Kosmas Daskalakis, Marina Tsoli, Gregory Kaltsas, & Marianne Pavel. (2022). Efficacy, safety and unmet needs of evolving medical treatments for carcinoid syndrome. Journal of Neuroendocrinology. 34(7). e13174–e13174. 5 indexed citations
7.
Daskalakis, Kosmas, Marina Tsoli, Raj Srirajaskanthan, et al.. (2022). Association of lymph node metastases, grade and extent of mesenteric lymph node dissection in locoregional small intestinal neuroendocrine tumors with recurrence‐free survival. Journal of Neuroendocrinology. 34(11). e13205–e13205. 6 indexed citations
8.
Ramage, John, Elizabeth Friend, Barbara King, et al.. (2022). Development of a quality of life questionnaire for patients with pancreatic neuroendocrine tumours (the PANNET module). Journal of Neuroendocrinology. 34(4). e13097–e13097. 4 indexed citations
9.
Yavropoulou, Maria P., et al.. (2022). Management and Long-Term Follow-Up of Hyperparathyroidism in Multiple Endocrine Neoplasia Type 1: Single Center Experience. Journal of Clinical Medicine. 11(7). 1967–1967. 7 indexed citations
10.
Angelousi, Anna, et al.. (2021). Diabetes insipidus secondary to sellar/parasellar lesions. Journal of Neuroendocrinology. 33(3). e12954–e12954. 11 indexed citations
11.
Zografos, George, Eva Kassi, Georgios Kyriakopoulos, et al.. (2021). Adrenocortical Cancer: A 20-Year Experience of a Single Referral Center in Prognosis and Outcomes. Hormone and Metabolic Research. 53(11). 709–716. 2 indexed citations
12.
Tsoli, Marina, Gregory Kaltsas, Anna Angelousi, et al.. (2020). Managing Ipilimumab-Induced Hypophysitis: Challenges and Current Therapeutic Strategies. SHILAP Revista de lepidopterología. 1 indexed citations
13.
Dimitriadis, Georgios K., Narjes Nasiri‐Ansari, Georgios Agrogiannis, et al.. (2019). Empagliflozin improves primary haemodynamic parameters and attenuates the development of atherosclerosis in high fat diet fed APOE knockout mice. Molecular and Cellular Endocrinology. 494. 110487–110487. 43 indexed citations
14.
Kyritsi, Eleni Magdalini, Georgios K. Dimitriadis, Anna Angelousi, et al.. (2018). The value of prolactin in predicting prolactinοma in hyperprolactinaemic polycystic ovarian syndrome. European Journal of Clinical Investigation. 48(7). e12961–e12961. 20 indexed citations
15.
Pawa, Nikhil, Ashley Kieran Clift, Panagiotis Drymousis, et al.. (2017). Surgical Management of Patients with Neuroendocrine Neoplasms of the Appendix: Appendectomy or More. Neuroendocrinology. 106(3). 242–251. 70 indexed citations
16.
Kaltsas, Gregory, Martyn Caplin, Philippa Davies, et al.. (2017). ENETS Consensus Guidelines for the Standards of Care in Neuroendocrine Tumors: Pre- and Perioperative Therapy in Patients with Neuroendocrine Tumors. Neuroendocrinology. 105(3). 245–254. 99 indexed citations
17.
Chrisoulidou, Alexandra, et al.. (2015). Pancreatic Neuroendocrine Tumors Presenting with Hypercalcitonemia. AACE Clinical Case Reports. 1(4). e269–e272. 2 indexed citations
18.
Androulakis, Ioannis I., Gregory Kaltsas, Γεώργιος Κόλλιας, et al.. (2014). Patients With Apparently Nonfunctioning Adrenal Incidentalomas May Be at Increased Cardiovascular Risk Due to Excessive Cortisol Secretion. The Journal of Clinical Endocrinology & Metabolism. 99(8). 2754–2762. 106 indexed citations
19.
Tsiakalos, Aristotelis, Ioannis Xynos, Nikolaos V. Sipsas, & Gregory Kaltsas. (2010). Pituitary Insufficiency after Infectious Meningitis: A Prospective Study. The Journal of Clinical Endocrinology & Metabolism. 95(7). 3277–3281. 28 indexed citations
20.
Korbonits, Márta, Suzanne Jordan, Gregory Kaltsas, et al.. (1999). Low Expression of the Cell Cycle Inhibitor p27Kip1 in Normal Corticotroph Cells, Corticotroph Tumors, and Malignant Pituitary Tumors. The Journal of Clinical Endocrinology & Metabolism. 84(10). 3823–3830. 139 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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