Dr Ademola Adetoyese [1]Adeyeye is the first European Board Certified Surgical Oncologist[2] from Sub-Saharan Africa and was nominated as the Nigerian National representative of ESS0-EYSAC in October 2018. He graduated with honors as the best medical student from the University of Ilorin in 2004. He was born in Yaba, Lagos, Nigeria. He attended ASCON staff primary school, Topo, Badagry, Lagos state within the years of 1985- 1989. He earned his Bachelor of Medicine, Bachelor of Surgery (MBBS) (Hons) from College of Medicine, University of Ilorin, Kwara State, Nigeria. He had his internship at the Baptist Medical Center, Ogbomoso in 2005. His mandatory Nigerian National Youth Service was in Delta state (2006), where he received the distinguished Governor award and commendation. Ademola had his residency training in General Surgery between 2007 and 2012 at the University of Ilorin teaching Hospital, Nigeria. He served as chief resident of surgery and was annually recognized as the best resident in surgery during this period. He became a fellow of the West African College of Surgeons in 2012. Demola had fellowships in Minimal access surgery (FMAS;2013) and HPB surgery (FHPBS;2015) in India. He is a Hospital consultant surgeon at the University of Ilorin Teaching hospital (2013-till date) He is the Hospital lead for GlobalSurg Collaborative& Site PI for ARGO in Ilorin.He is currently researching on: 1.Developing a colorectal cancer biobank and database in Nigeria ;a prospective study by the African Research Group for Oncology (ARGO) (Co-PI ;2014 till date) 2.Point of care urine metabolomics in the early diagnosis of colorectal cancer and adenomatous polyps in low and middle income countries by ARGO.(site PI; 2017 till date; clinicaltrials.gov NTC03173729)[3] 3.Global Surgery 3 International study on the worldwide outcomes of breast , colorectal and Gastric cancer surgery.(site PI; 2018;clinicaltrials.gov NCT03471494) He is equally a Lecturer in Surgery at Bowen University, Nigeria (2014-till 2017) and an associate lecturer in pharmacology and Oncology at the University of Ilorin, Nigeria(2012-date). He was a recipient of the Soudavar fellowship in surgical oncology at the Memorial Sloan Kettering Cancer center,New York,USA in 2015. He was also a research fellow/visiting Investigator at the Brennan laboratory,Sloan Kettering Institute,NY,USA in 2015. Ademola was a Visiting Clinical Fellow in HPB and Surgical Oncology to the University of Heidelberg in September 2017.He was a recipient of the European society for Surgical Oncology training fellowship in Colorectal Surgery as a Visiting Honorary fellow to the University Hospitals of Leicester NHS trust, UK in 2018.Ademola has attended specialized courses in trauma surgery(ATOM),trauma care(ATLS), GI endoscopy, advanced laparoscopy& stapling as well as HPB/Oncology in Ghana, India ,Austria,Germany, Spain,Switzerland, Hungary and the UK. He is a member of a number of illustrious professional societies including European society of Surgical Oncology(ESSO),the European-African Hepatopancreaticobiliary association ( E-AHPBA), Society of American Gastroinestinal and Endoscopic Surgeons (SAGES), Association for Academic Surgery(AAS), American Association for the Advancement of Science (AAAS),Society for Interventional Oncology(SIO) and World association of laparoscopic surgeons (WALS). His research interest include Surgical oncology, GI/HPB surgery, laparoscopy, endoscopy and academic surgery. He has made paper presentations at both National and International conferences. He has scientific publications in both National and International Journals. Some of his research articles are 1. Adeyeye AA, Onjefu SO,Lawal B, Aremu IA. Laparoscopic-assisted colostomies for locally advanced colorectal cancers in a North-Central Nigerian Hospital: A pilot Study. Niger J surg. 2018; 24(2):152-153[4].

2. Adeyeye A.A, Fasiku O.K,Onjefu S.O,Lawal B, Aremu I.A. Restoring Gastrointestinal Continuity with Surgical Staplers : Early Experience from Two North Central Nigerian Hospitals. Niger J surg. 2018; 24(2):153-154.

3. Adeyeye A, Onjefu S, Shittu A. Intestinal Obstruction from Internal Hernias: A Report of Two Cases. Nigerian Journal of Surgery.2018; 24(1):64-65[5]

4. Adeoti M, Oguntola A, Ajiboye A, Adeyeye A, Habeeb O, Akanbi O, Akinloye T. Managing Obstructive Jaundice in a Resource‑Limited Setting: Challenges and Limitations. Nigerian journal of surgery.2018; 24(1):64

5. Agodirin O, Olatoke S, Rahman G, Akande H, Habeeb O, Agboola J, Adeyeye A. Realization of Target Clinical Endpoint for Initiation of Neo-adjuvant Chemotherapy among Locally Advanced Breast Cancer Patients in Nigeria. Nigerian journal of surgery.2018; 24(1):63

6. Adeyeye AA, Larri SO, Ibrahim OOK. A case series for the management of spontaneous haemoperitoneum with peritonitis from Hepatocellular carcinoma in Ilorin. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):73-74.

7. Adeyeye AA, Larri SO, Ibrahim OOK, Uthman MB. An audit of a Surgical Lower Gastrointestinal Endoscopy Practice in a North Central Nigerian Hospital. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):75-76.

8. Adeyeye AA, Ibrahim OOK, Lawal B, Oguntebi E. Cystic Pancreatic Endocrine Neoplasm in a Teenage Nigerian Female: A case report. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):77

9. Adeyeye AA, Larri SO, Bojuwoye MO, Bamidele OY. Incidence of Upper Gastrointestinal tract cancers detected in a private North Central Nigerian Hospital. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):78

10. Adeyeye AA, Habeeb OG, Ibrahim OOK. Intraoperative Flexible Enteroscopy in the Diagnosis of Obscure Gastrointestinal Bleeding from a Duodeno-Jejunal Tumor: A case report. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):78-79

11. Adeyeye AA, Rai RV Arulvanah V. Laparoscopic-Assisted Surgical Management of a Retained Video Capsule Endoscope: A case report. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):78-79

12. Adeyeye AA, Musa BB, Adegboye MB. Management of Perforated Caecum following Diagnostic Colonoscopy: A case report. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):80

13. Adeyeye AA, Habeeb OG, Ibrahim OOK. Prospective Evaluation, Management and Oncologic Outcomes of the Gastrointestinal Stromal Tumours in Ilorin, North Central Nigeria. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):81-82

14. Adeyeye AA, Habeeb OG, Ibrahim OOK. Synchronous metastatic Colonic adenocarcinoma and Gastrointestinal Stromal Tumour: A case report. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):85

15. Adeyeye AA, Arun B, Heroor A. The Role of Complex Multi-viscera Resections in the management of Malignant Colorectal Internal Fistulae: A report of 3 cases. Nigerian Journal of Gastroenterology and Hepatology.2017; 9 (2):86

16. African Research Group in Oncology. Clinical Predictors of Colorectal Carcinoma in a low-resource country: Results of a colonoscopy-based study. Niger J surg. 2017; 23(1):73-79.

17. Agodirin O, Olatoke S, Rahman G, Olaogun J, Adeyeye A et al. Presentation intervals and the impact of delay on breast cancer progression in a black African population. BMC Public Health. June 2020. DOI:10.1186/s12889-020-09074-w


18. The influence of the SARS-CoV-2 pandemic on esophagogastric cancer services:an international survey ofesophagogastric surgeons. Kamarajah S,Markar S,Singh P,Griffiths E, Adeyeye A and the OGAA Collaborative. Diseases of the Esophagus. June 2020. DOI:10.1093/dote/doaa054

19. Facilitating International Participation in core outcome set Development: A proposed Approach for Multi-language Delphi Surveys,a Review of current practice and issues to consider.BMC Global. March 2020. DOI:12.21203/rs-16047/v1

20. A simplified symptom based model to predict colorectal cancer in developing countries can be as simple as ABC; Results from a prospective multi-centre Nigerian Study. European Journal of Surgical Oncology. February 2020. DOI:10.1016/j.ejso.2019.11.030

21. Primary Health care is the primary level of delay in breast cancer presentation; results of a prospective, cross-sectional, observational, multi-centre study in a low-middle income country. European Journal of Surgical Oncology. February 2020. DOI:10.1016/j.ejso.2019.11.041

22. Delisle M, Pradareli J, Panda N, Koritsanszky L, Sonnay Y, Lipsitz S, Pearce R, Harrison E, Biccard B, Weiser T,Haynes A, Adeyeye A.A on behalf of the Surgical Outcomes Study Groups and GlobalSurg Collaborative.Variation in Global uptake of the Surgical Safety Checklist. BJS. Jan 2020.DOI.org/10.1002/bjs.11321

23. Funmilayo S. Moninuola, Emmanuel Adetiba, Oluwadamilola I. Oshin, Anthony A. Atayero and Ademola Adeyeye. A Mini Review of Trends towards Automated and Non-Invasive Techniques for Early Detection of Lung Cancer: From Radiomics through Proteogenomics to Breathomics. Journal of Physics:Conference Series. December 2019. doi:10.1088/1742-6596/1378/3/032010


24. Avinash Sharma, Olusegun I Alatise, Adewale O Adisa, Olukayode A Arowolo, Olalekan Olasehinde, Olusola C Famurewa, Adeleye D Omisore, AO Komolafe, O Olaofe, Aba I Katung, Ayoola D Ibikunle, Ayoola A Egberongbe, Samuel A Olatoke, SO Agodirin, AO Adesiyun, Ademola Adeyeye et al. Treatment of colorectal cancer in Sub‐Saharan Africa: Results from a prospective Nigerian hospital registry. Journal of Surgical Oncology. November 2019. https://doi.org/10.1002/jso.25768

25. Knapp GC,Alatise OI, Olalekan OO, Adeyeye AA, Ayandipo OO,Weiser MR, Kingham TP. Is Colorectal Cancer screening appropriate in Nigeria? Journal of Global Oncology. June 2019. DOI:10.1200/JGO.19.00035

26. Ademola Adeyeye, Olatunbosun Oke, Huzairi Yaacob, James Stephenson, Sanjay Chaudhri. Perineal hernias after abdominoperineal resection: Much more levator and many more hernias. BJS 2019; 106 (S5): 11–47

27. Adeyeye A.A ,Globalsurg Collaborative. Global variation in anastomosis and end colostomy following left colorectal resections. British Journal of Surgery Open. February 2019. DOI: 10.1002/bjs5.50138

28. Adeyeye A.A, Onjefu S, Ibrahim O. Changing pattern in presentation of malignant Goiters in a North Central Nigerian teaching hospital. European Journal of Surgical Oncology. February 2019;45(2)e126.

29. Adeyeye A.A ,Globalsurg Collaborative. Pooled analysis of WHO Surgical Safety checklist use and mortality after emergency laparotomy. BJS. January 2019;106:e103-e112.

30. Bojuwoye M.O, Olokoba A.B, Ogunmodede J.O, Agodirin S.A, Ibrahim O.O.K, Adeyeye A.A, Bamidele O.F, Ogunlaja O.A, Okonkwo K.C, Aliyu A.M. A clinicopathologic review of colonic polyps in a Tertiary Hospital in North Central Nigeria. SJMS.December 2018;13(4):277-288

31. Adeyeye A, Bojuwoye M, Oyinloye O, Okonkwo K, Udoh S. Clinico-radiological indications for drainage of isolated amebic liver abscesses using a rule of 5’s: results of a 10 year retrospective review. HPB. 2018;20(S2):S493.DOI: https//doi.org/10.1016/j.hpb.2018.06.2975

32. Adeyeye A, Adenuga T, Larri S, Agbonoga R, Adeyeye R. A rare case of calculous biliary obstruction from pentastosomiasis in a snake-eating Nigerian. HPB. 2018; 20(S2):S722-S723.DOI: https//doi.org/10.1016/j.hpb.2018.06.1457

33. Adeyeye A A, Adeniran J.O, Popoola A.A and the Globalsurg Collaborative. Management and Outcomes Following Surgery for Gastrointestinal Typhoid: An International, Prospective, Multicentre Cohort study. World J Surg. 2018 May 3. doi: 10.1007/s00268-018-4624-8.

34. Alatise OI, Ayandipo OO, Adeyeye A, Seier K, Komolafe AO, Bojuwoye MO, Afuwape OO, Zauber A, Omisore A, Olatoke S, Akere A, Famurewa O, Gonen M, Irabor DO, Kingham TP. A symptom-based model to predict colorectal cancer in low-resource countries: Results from a prospective study of patients at high risk for colorectal cancer. Cancer. 2018; PubMed [journal] PMID: 29645077

35. Adeyeye A.A, Adeniran J.O, Popoola A.A and the Globalsurg Collaborative. Laparoscopy in management of appendicitis in high-, middle-, and low-income countries: a multicenter, prospective, cohort study. Surgical endoscopy. 2018; PubMed [journal] PMID: 29623470

36. Adeyeye A.A ,Adeniran J.O, Popoola A.A and the Globalsurg Collaborative. Surgical site infection after gastrointestinal surgery in high-income, middle-income, and low-income countries: a prospective, international, multicentre cohort study. Lancet infect Dis 2018. Online only:- http:/dx.doi.org/10.1016/s1473-3099(18)30101-4.

37. Agodirin O, Olatoke S, Rahman G, Kolawole O, Oguntola S, Olasehinde O, Ayandipo O, Olaogun J, Katung A, Etonyeaku C, Habeeb O, Adeyeye A, Agboola J, Akande H, Akanbi O, Abiyere H, Fatudimu O. Delay between Breast Cancer Detection and Arrival at Specialist Clinics;Preliminary Revelations of a Multicentered Survey in Nigeria. Texila International Journal of Public Health. Dec 2017.Vol 5. Issue 1. DOI: 10.21522/TIJPH.2013.05.04.Art053

38. Awais Raza, Ibrahim Raza, Thomas M Drake, Ahmed Bani Sadar, Muhammad Adil, Fatima Baluch, Ahmad Uzair Qureshi, Ewen M Harrison, GlobalSurg Collaborative. The efficiency, accuracy and acceptability of smartphone-delivered data collection in a low-resource setting–A prospective study. International Journal of Surgery. 2017; 44:252-254.

39. Adeyeye A.A, Adeniran J.O, Popoola A.A and the Globalsurg Collaborative. International variations in outcomes following Cancer Surgery. South African journal of surgery. Suid-Afrikaanse tydskrif vir chirurgie. 2017; 55(3):72-73. PubMed [journal] PMID: 28876585.

40. Camilleri-Brennan J, Drake T, Spencer R, Bhangu A, Harrison E and the Globalsurg Collaborative. Management and outcomes from appendicectomy: an International prospective multicentre study. S Afr J Surg. 2017;55(3):86-87

41. Adeyeye A.A, Adeniran J.O, Popoola A.A and the Globalsurg Collaborative. An International Collaborative Research Network to describe variation in Global cancer burden. S Afr J Surg.2017 Sep;55(3)71. PMID:28876581

42. Adeyeye A.A, Habeeb O.G, Ibrahim O.O.K. Surgical and Early Oncological Outcomes of mastectomies for Breast cancer in a Nigerian District Hospital. J West Afr Coll Surg.2017 July-Sep;7(3):101

43. Adeyeye A.A ,Adeniran J.O, Popoola A.A and the Globalsurg Collaborative. Determining the worldwide epidemiology of surgical site infections after gastrointestinal resection surgery: protocol for a multicentre, international, prospective cohort study. BMJ. July 2017.Vol 7, Issue 7.

44. Ju Don Yang et al and the Africa Network for Gastrointestinal and Liver Disease Collaborative. Characteristics, outcomes and management of patients with hepatocellular cancer in Africa: a multicountry observational study from the Africa Liver cancer consortium. Lancet Gastroenterol hepatol 2017;2 :103-11

45. Adeyeye A.A , Adeniran J.O, Popoola A. A and the Globalsurg Collaborative. Determinants of morbidity and mortality following emergency abdominal surgery in children in low-income and middle-income countries. BMJ Global health. 2016. ;1: e000091. DOI:10.1136/bmjgh-2016-000091

46. Adeyeye A.A , Adeniran J.O, Popoola A.A and the Globalsurg Collaborative. Global variations in the outcomes of emergency abdominal surgery: multicentre, international, prospective, cohort study. International Journal of Surgery. 2016. Vol 36. S72. DOI:10.1016/j.ijsu.2016.08.203

47. Adeyeye A.A ,Adeniran J.O, Popoola A.A and the Globalsurg Collaborative. Management and outcomes of appendicectomy worldwide. International Journal of surgery.2016. Vol 36. S71. DOI:10.1016/j.ijsu.2016.08.200

48. Adeyeye A.A, Adeniran J.O ,Popoola A.A and the Globalsurg Collaborative. Mortality of emergency abdominal surgery in high-, middle- and low- income countries. British Journal of surgery.2016.Volume 103, Issue 8July 2016 Pages 971-988 .DOI:1002/bjs.10151D

49. Alatise O.I, Komolafe A.O, Famurewa O.C,Katung A.I, Ariyibi O.O, Olatoke S.A, Adeyeye A.A , Kingham P.T et al. Colorectal cancer patient outcomes in Nigeria: Results from the African Colorectal cancer group. J Clin Oncol. 2016. 34,4S.


50. Nasir AA, Yusuf AS, Abdur-Rahman LO ,Babalola OM, Adeyeye AA, Popoola AA, Adeniran JO. Medical students perception of objective structured clinical examination: A feedback for process improvement. Journal of Surgical Education. 2014 Sept- Oct;71(5): 701-6. DOI: 10.1016/j.jsurg.2014.02.010.

51. Abdur-Rahman LO, Nasir AA, Adeniran JO,Adeyeye AA. Experience in management of hypospadias in children at a tertiary health centre in Nigeria. African Journal of paediatric Surgery 2010;7:48

Ademola is a member of the GlobalSurg international collaborative and has participated in various NIH-funded pioneering research projects in GI endoscopy and Colorectal cancer in Nigeria as a member of the African cancer Research GrOup(ARGO). He is currently a site Principal Investigator ( PI) for a NIH funded research grant on ;point of care,real time urine metabolomics test to diagnose colorectal cancers and polyps in low- and middle-income countries. He is a Co-founder of Lifefount Health Voice Foundation as well as the Chairman,Board of Trustees, Lifefount International Hospital[6]. He is married to Dr (Mrs) Rebecca Oluwayemisi Adeyeye, a medical entrepreneur and public speaker. They are blessed with two lovely children: Adesewa and Adejola.



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