Derek Manas

8.0k total citations · 1 hit paper
199 papers, 5.1k citations indexed

About

Derek Manas is a scholar working on Surgery, Hepatology and Oncology. According to data from OpenAlex, Derek Manas has authored 199 papers receiving a total of 5.1k indexed citations (citations by other indexed papers that have themselves been cited), including 113 papers in Surgery, 85 papers in Hepatology and 50 papers in Oncology. Recurrent topics in Derek Manas's work include Organ Transplantation Techniques and Outcomes (65 papers), Renal Transplantation Outcomes and Treatments (46 papers) and Liver Disease and Transplantation (41 papers). Derek Manas is often cited by papers focused on Organ Transplantation Techniques and Outcomes (65 papers), Renal Transplantation Outcomes and Treatments (46 papers) and Liver Disease and Transplantation (41 papers). Derek Manas collaborates with scholars based in United Kingdom, New Zealand and Spain. Derek Manas's co-authors include Colin Wilson, Steven A. White, Helen L. Reeves, D. Rix, Mark Hudson, Chris Snowden, David Talbot, James Prentis, Stuart Robinson and Jeremy French and has published in prestigious journals such as Journal of Clinical Oncology, Gastroenterology and Annals of Surgery.

In The Last Decade

Derek Manas

191 papers receiving 5.0k 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.

Hepatocellular cancer: The impact of obesity, type 2 diabetes and a multidisciplinary team

2013 412 citations John Rose, Derek Manas et al. profile →

Peers

Countries citing papers authored by Derek Manas

Since Specialization

Citations

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

Fields of papers citing papers by Derek Manas

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Derek Manas

This figure shows the co-authorship network connecting the top 25 collaborators of Derek Manas. A scholar is included among the top collaborators of Derek Manas 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 Derek Manas. Derek Manas 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	The impact of time to death in donors after circulatory death on recipient outcome in simultaneous pancreas-kidney transplantation 2024 ·American Journal of Transplantation ·(unknown), Samuel J Tingle, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), John Casey, Martin Drage, David van Dellen, Chris Callaghan, (unknown), Derek Manas, Gavin J. Pettigrew, Colin Wilson, Steven A. White	3
2	Racial disparities in outcomes after liver transplantation in the UK: registry analysis 2024 ·British journal of surgery ·(unknown), Samuel J Tingle, (unknown), Rodrigo Figueiredo, John Hammond, Gourab Sen, (unknown), David Talbot, Derek Manas, Linda Sharp, Catherine Exley, Steven A. White, Colin Wilson	2
3	Surgical management, including the role of transplantation, for intrahepatic and peri-hilar cholangiocarcinoma 2024 ·European Journal of Surgical Oncology ·(unknown), Brian R Davidson, Derek Manas	2
4	British Society of Gastroenterology guidelines for the diagnosis and management of cholangiocarcinoma 2023 ·Gut ·Simon Rushbrook, Timothy J. Kendall, Yoh Zen, Raneem Albazaz, Prakash Manoharan, Stephen P. Pereira, Richard Sturgess, Brian R Davidson, Hassan Malik, Derek Manas, Nigel Heaton, Rajendra Prasad, John Bridgewater, Juan W. Valle, (unknown), M. Hawkins, Wendy Prentice, Helen Morement, Martine Walmsley, Shahid A. Khan	33
5	Liver transplantation for isolated unresectable colorectal liver metastases - Protocol for a service evaluation in the United Kingdom - UKCoMET study 2023 ·HPB ·Krishna Menon, (unknown), Jamie Murphy, Pål‐Dag Line, John Isaac, (unknown), Rajendra Prasad, Douglas Thorburn, (unknown), Ian Parker, Lindy Berkman, William Gelson, Rebecca Jones, Derek Manas, Gary Middleton, Praveen Peddu, M. Thamara P. R. Perera, (unknown), Andrew Scarsbrook, Yoh Zen	0
6	Treatment of unresectable locally advanced pancreatic cancer with percutaneous irreversible electroporation (IRE) following initial systemic chemotherapy (LAP-PIE) trial: study protocol for a feasibility randomised controlled trial 2022 ·BMJ Open ·(unknown), Veronica Ranieri, Daniel H. Palmer, Peter Littler, (unknown), Kurinchi Selvan Gurusamy, Derek Manas, Elena Pizzo, Eftychia Eirini Psarelli, (unknown), Praveen Peddu, David Bartlett, Nicola de Liguori Carino, Brian R Davidson	3
7	Adjuvant chemotherapy for perihilar cholangiocarcinoma: A population-based comparative cohort study 2021 ·European Journal of Surgical Oncology ·Sivesh K. Kamarajah, Wasfi Alrawashdeh, Alessandro Parente, (unknown), George I. Salti, Fadi S. Dahdaleh, Derek Manas, Mohammad Abu Hilal, Steven A. White	6
8	6th World Congress of PGHAN: Abstracts. 2021 ·Journal of Pediatric Gastroenterology and Nutrition ·Tassos Grammatikopoulos, Richard Taylor, (unknown), John C. Hartley, (unknown), (unknown), (unknown), Simon J. Watson, (unknown), Derek Manas, (unknown), (unknown), J. M. Forsythe, David R. Thorburn	1
9	The cost-effectiveness of TheraSphere in patients with hepatocellular carcinoma who are eligible for transarterial embolization 2020 ·European Journal of Surgical Oncology ·Derek Manas, Jon Bell, Stuart Mealing, Heather Davies, Hannah Baker, (unknown), Richard Hubner	19
10	Early protocol computer tomography and endovascular interventions in pancreas transplantation 2020 ·Clinical Transplantation ·Matthew H V Byrne, (unknown), (unknown), Samuel J Tingle, Emily Thompson, (unknown), (unknown), Paul Turner, Steven A. White, Derek Manas, Colin Wilson	3
11	The association of pregnane X receptor activation with outcomes after liver transplantation—A retrospective study 2019 ·Clinical Transplantation ·(unknown), (unknown), (unknown), (unknown), Gourab Sen, Jeremy French, Colin Wilson, Derek Manas, Matthew C. Wright, Steve White	4
12	The Effect of a Pancreatic Anastomosis Leak on Survival Following Pancreaticoduodenectomy for Ampullary, Distal Cholangiocarcinoma and Pancreatic Ductal Adenocarcinoma 2015 ·JOP, journal of the pancreas ·(unknown), (unknown), Stuart Robinson, Gourab Sen, Jeremy French, Steven A. White, Derek Manas, Richard Charnley, Bryon Jaques	1
13	DNA-PK—A Candidate Driver of Hepatocarcinogenesis and Tissue Biomarker That Predicts Response to Treatment and Survival 2014 ·Clinical Cancer Research ·Liam Cornell, Joanne M. Munck, Clara Alsinet, Augusto Villanueva, Laura Ogle, Catherine E. Willoughby, Despina Televantou, Huw D. Thomas, Jennifer Jackson, Alastair D. Burt, David R. Newell, John Rose, Derek Manas, Geoffrey I. Shapiro, Nicola J. Curtin, Helen L. Reeves	69
14	PTH-067 Yield of Endoscopic Ultrasound (EUS) in Patients with Dilated Common Bile Duct (CBD) and or Pancreatic Duct (PD) with normal Liver Function Test (LFTS) and Cross-Sectional Imaging 2013 ·Gut ·(unknown), (unknown), Stewart Bonnington, John Scott, (unknown), RM Charnley, Bryon Jaques, G. Sen, (unknown), Derek Manas, J.M. French, (unknown)	1
15	Incidental pT2‐T3 gallbladder cancer after a cholecystectomy: outcome of staging at 3 months prior to a radical resection 2013 ·HPB ·Fabio Ausania, (unknown), Steven A. White, Jeremy French, Bryon Jaques, Richard Charnley, Derek Manas	30
16	PWE-149 Gene expression in oxaliplatin related sinusoidal obstruction syndrome 2012 ·Gut ·Stuart Robinson, J. Mann, Derek Manas, Derek A. Mann, Sharon White	0
17	PWE-143 Factors predictive of survival following resection of either rectal or colonic liver metastases 2012 ·Gut ·Saqib Rehman, Stuart Robinson, S.K.P. John, Jeremy French, Derek Manas, Sharon White	1
18	PWE-150 Chemotherapy associated liver injury: a systematic review and meta-analysis 2012 ·Gut ·Stuart Robinson, Colin Wilson, Alastair D. Burt, Derek Manas, Sharon White	0
19	Chemotherapy-Associated Liver Injury in Patients with Colorectal Liver Metastases: A Systematic Review and Meta-analysis 2012 ·Annals of Surgical Oncology ·Stuart Robinson, Colin Wilson, Alastair D. Burt, Derek Manas, Steven A. White	165
20	The surgical management and prognosis of renal cell cancer with IVC tumor thrombus: 15-Years of experience using a multi-specialty approach at a single UK referral center 2011 ·Urologic Oncology Seminars and Original Investigations ·Ased Ali, Nikhil Vasdev, (unknown), Edgar Páez, John H. Dark, Derek Manas, David J. Thomas	48

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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