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Mr Olagunju Ogunbiyi
Extension:
#6 292 x4654Email:
o.ogunbiyi@ucl.ac.ukAppointments:
Clinical Senior Lecturer, Research Department of General Surgery, Div of Surgery & Interventional Sci

Research Activities
- Experimental cancer therapeutics- ETAR antagonism, colorectal cancer
Recent Publications
Displaying 50 most recent publications. For the full list please visit UCL Discovery
- El-Khouly F,Khan MS,Toumpanakis C,Ogunbiyi OA,Winslert MC,Caplin M (2011) Morbidity and Mortality Associated With Desmoplasia in Midgut (Carcinoid) Neuroendocrine Tumours GASTROENTEROLOGY, 140(5), S116 - S116.
- Díaz Nieto R,Varcada M,Ogunbiyi OA,Winslet MC (2011) Systematic review on the treatment of ischaemic colitis. Colorectal Dis, 13(7), 744 - 747. 10.1111/j.1463-1318.2010.02272.x.
- Praveen BV,Suraparaju L,Jaunoo SS,Tang T,Walsh SR,Ogunbiyi OA (2007) Giant colonic diverticulum: an unusual abdominal lump. J Surg Educ, 64(2), 97 - 100. 10.1016/j.jsurg.2006.10.007.
- Lasisi OA,Ahmad BM,Ogunbiyi OA (2006) Trans-frontal extracranial approach in repair of cerebrospinal fluid fistula. Afr J Med Med Sci, 35(2), 169 - 171.
- Chalmers-Watson T,Bromfield A,Abeya M,Ogunbiyi O,Keshav S (2005) Modulation of human monocyte function in Crohn's disease by muramyl dipeptide - Potential role of the NOD2 gene Gastroenterology, A502 - A502.
- Gladman MA,Williams NS,Scott SM,Ogunbiyi OA,Lunniss PJ (2005) Medium-term results of vertical reduction rectoplasty and sigmoid colectomy for idiopathic megarectum British Journal of Surgery, 624 - 630.
- Bromfield A,Ogunbiyi O,Keshav S (2005) Secretory response of human Paneth cells to bacterial cell wall components Gastroenterology, A194 - A194.
- Abeya M,Ogunbiyi O,Keshav S (2004) Paneth cells in Crohn's disease - Effect of NOD2/CARD15 variants Gastroenterology, 126(4), A569 - A569.
- Bromfield A,Ogunbiyi O,Keshav S (2004) Secretory response of human Paneth cells to bacterial antigens Gut, 53, 245.
- Reeves HL,Narla G,Ogunbiyi O,Haq AI,Katz A,Benzeno S,Hod E,Harpaz N,Goldberg S,Tal-Kremer S,Eng FJ,Arthur MJP,Martignetti JA,Friedman SL (2004) Kruppel-Like factor 6 (KLF6) is a tumor-suppressor gene frequently inactivated in colorectal cancer Gastroenterology, 126(4), 1090 - 1103.
- Abeya M,Mahida Y,Ogunbiyi O,Keshav S (2004) Paneth cells in Crohn's disease - Effect of NOD2/CARD15 variants Gut, 53, 008.
- Ogunbiyi O (2003) Principles of surgical management of Crohn's Disease, 79 - 96.
- Lala S,Ogura Y,Osborne C,Hor SY,Bromfield A,Davies S,Ogunbiyi O,Nunez G,Keshav S (2003) Crohn's disease and the NOD2 gene: A role for paneth cells Gastroenterology, 125(1), 47 - 57.
- Osborne CLE,Ogunbiyi O,Keshav S (2003) Phosphoinositide signalling in inflammation and colorectal cancer Gut, 52, 222.
- Aviv RI,Shyamalan G,Watkinson A,Tibballs J,Ogunbiyi O (2002) Radiological palliation of malignant colonic obstruction Clinical Radiology, 57(5), 347 - 351.
- (2001) Rectal augmentation and stimulated gracilis anal neosphincter - A new approach in the management of faecal urgency and incontinence Diseases of the Colon and Rectum, 44, 192 - 198.
- (2001) Neoadjuvant external beam radiation and proctectomy for adenocarcinoma of the rectum Diseases of the Colon and Rectum, 44, 1778 - 1790.
- (2001) Comparison of epineural or intramuscular nerve electrodes for the stimulated graciloplasty Diseases of the Colon and Rectum, 44, 581 - 586.
- Read TE,Ogunbiyi OA,Fleshman JW,Birnbaum EH,Fry RD,Myerson RJ,Kodner IJ (2001) Neoadjuvant external beam radiation and proctectomy for adenocarcinoma of the rectum - Reply DIS COLON RECTUM, 44(12), 1790 - 1790.
- Darakhshan AA,Ogunbiyi OA,Artioukh DY,Lunniss PJ,Williams NS (2001) Impact of surgery on gracilis muscle blood flow during an electrically stimulated gracilis neosphincter procedure BRIT J SURG, 88, 69 - 69.
- (2000) Utility of FDG-PET scan in the assessment of suspected metastatic or recurrent adenocarcinoma of the colon and rectum Diseases of the Colon and Rectum, 43(6), 759 - 770.
- (2000) Vertical reduction rectoplasty: A new treatment for idiopathic megarectum British Journal Of Surgery, 87(9), 1203 - 1208.
- Yoshioka K,Connolly AB,Ogunbiyi OA,Hasegawa H,Morton DG,Keighley MR (2000) Randomized trial of oral sodium phosphate compared with oral sodium picosulphate (Picolax) for elective colorectal surgery and colonoscopy Digestive Surgery, 17(1), 66 - 70.
- Read TE,Whiteford MH,Whiteford HM,Yee LF,Ogunbiyi OA,Dehdashti F,Siegel BA,Birnbaum EH,Fleshman JW,Kodner IJ (2000) Usefulness of FDG-PET scan in the assessment of suspected metastatic or recurrent adenocarcinoma of the colon and rectum - Reply DIS COLON RECTUM, 43(6), 769 - 770.
- Ogunbiyi OA,Branch KG (1999) Mivacurium apnoea: a trap for the unwary. Int J Clin Pract, 53(2), 154 - 155.
- Ogunbiyi OA (1999) Emergency tracheostomy tube change: another use of the tracheal tube. Anaesthesia, 54(8), 813 - 814.
- Yoshioka K,Ogunbiyi OA,Keighley MR (1999) A pilot study of total pelvic floor repair or gluteus maximus transposition for postobstetric neuropathic fecal incontinence. Dis Colon Rectum, 42(2), 252 - 257.
- (1999) Selection criteria for treatment of rectal cancer with combined external and endocavitary radiation Diseases of the Colon and Rectum, 42(6), 727 - 733.
- Ogunbiyi OA,Fleshman JW (1998) Place of laparoscopic surgery in Crohn's disease. Baillieres Clin Gastroenterol, 12(1), 157 - 165.
- Flanagan FL,Dehdashti F,Ogunbiyi OA,Kodner IJ,Siegel BA (1998) Utility of FDG-PET for investigating unexplained plasma CEA elevation in patients with colorectal cancer. Ann Surg, 227(3), 319 - 323.
- Klaus K,Herfarth F,Ogunbiyi OA,Moley JF,Kodner IJ,Wells SA,Goodfellow PJ (1998) Four new mutations in the DNA mismatch repair gene MLH1 in colorectal cancers with microsatellite instability. Mutations in brief no. 157. Online. Hum Mutat, 12(1), 73. 10.1002/(SICI)1098-1004(1998)12:1<73::AID-HUMU20>3.0.CO;2-F.
- Yee LF,Dehdashti F,Ogunbiyi OA,Kodner IJ,Fleshman JW,Birnbaum EH,McNevin MS,Read TE (1998) FDG-PET may fail to detect mucinous colorectal adenocarcinoma. GASTROENTEROLOGY, 114(4), A1435 - A1435.
- Yoshioka K,Ogunbiyi OA,Keighley MR (1998) Pouch perineal rectosigmoidectomy gives better functional results than conventional rectosigmoidectomy in elderly patients with rectal prolapse. Br J Surg, 85(11), 1525 - 1526. 10.1046/j.1365-2168.1998.00937.x.
- Ogunbiyi OA,Goodfellow PJ,Herfarth K,Gagliardi G,Swanson PE,Birnbaum EH,Read TE,Fleshman JW,Kodner IJ,Moley JF (1998) Confirmation that chromosome 18q allelic loss in colon cancer is a prognostic indicator. J Clin Oncol, 16(2), 427 - 433.
- Yoshioka K,Ogunbiyi OA,Morton D,Drinkwater F,Keighley MRB (1997) Randomized controlled trial of stapled versus sutured closure of loop ileostomies. GUT, 40, TH214 - TH214.
- Yoshioka K,Ogunbiyi OA,Keighley MRB (1997) Randomized trial of faecal diversion in sphincter repair. GUT, 40, TH218 - TH218.
- Ogunbiyi OA,Ogunbiyi JO (1997) Darier-White disease: a report of a case in a Nigerian with a review of the literature. West Afr J Med, 16(4), 251 - 255.
- Ogunbiyi OA,Flanagan FL,Dehdashti F,Siegel BA,Trask DD,Birnbaum EH,Fleshman JW,Read TE,Philpott GW,Kodner IJ (1997) Detection of recurrent and metastatic colorectal cancer: comparison of positron emission tomography and computed tomography. Ann Surg Oncol, 4(8), 613 - 620.
- Ogunbiyi OA,Goodfellow PJ,Gagliardi G,Swanson PE,Birnbaum EH,Fleshman JW,Kodner IJ,Moley JF (1997) Prognostic value of chromosome 1p allelic loss in colon cancer. Gastroenterology, 113(3), 761 - 766.
- Skinner PP,Ogunbiyi OA,Scholefield JH,Start RD,Smith JH,Sharp F,Rogers K (1997) Skin appendage involvement in anal intraepithelial neoplasia. Br J Surg, 84(5), 675 - 678.
- Ogunbiyi OA,Korsgen S,Keighley MR (1997) Pouch salvage. Long-term outcome. Dis Colon Rectum, 40(5), 548 - 552.
- Ogunbiyi OA,McKenna K,Birnbaum EH,Fleshman JW,Kodner IJ (1997) Aggressive surgical management of recurrent rectal cancer--is it worthwhile? Dis Colon Rectum, 40(2), 150 - 155.
- Keighley MR,Ogunbiyi OA,Korsgen S (1997) Pitfalls and outcome in ileo-anal pouch surgery for ulcerative colitis. Neth J Med, 50(2), S23 - S27.
- Korsgen S,Nikiteas N,Ogunbiyi OA,Keighley MR (1996) Results from pouch salvage. Br J Surg, 83(3), 372 - 374.
- Flanagan FL,Dehdashti F,Ogunbiyi OA,Siegel BA,Trask DD,Birnbaum EH,Fleshman JW,Kodner IJ (1996) The role of FDG-PET in advanced primary and recurrent colorectal cancer. J NUCL MED, 37(5), 517 - 517.
- Ogunbiyi OA,El Tahir MI (1996) Paterson-Brown Kelly syndrome. Ann Saudi Med, 16(2), 130 - 134.
- Ogunbiyi OA (1995) Renal vein thrombosis in patients with nephrotic syndrome: CT diagnosis. Afr J Med Med Sci, 24(1), 33 - 40.
- OGUNBIYI OA,NEOPTOLEMOS JP (1995) Endoscopic sphincterotomy vs invasive treatment in acute pancreatitis EUROPEAN I-H-P-B-A CONGRESS "ATHENS '95", 561 - 564.
- Ogunbiyi OA,Neoptolemos JP (1995) Endoscopy in the treatment of biliary acute pancreatitis ADVANCES IN HEPATOBILIARY AND PANCREATIC DISEASES - SPECIAL CLINICAL TOPICS, 83, 179 - 193.
- SKINNER PP,START R,OGUNBIYI OA,SCHOLEFIELD JH,SMITH JHF,SHARP F,ROGERS K (1995) CYTOKERATIN (CK13) EXPRESSION IN ANAL INTRAEPITHELIAL NEOPLASIA AND ANAL SQUAMOUS CARCINOMA BRIT J SURG, 82(5), 693 - 693.
Qualifications
- 1994: Doctor of Medicine, University of Sheffield
- 1990: Fellow Of The Royal College Of Surgeons, Royal College of Surgeons of England
- 1986: Bachelor of Medicine/Bachelor of Surgery, University of London
