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Olugbenga T. Okusanya, M.D.
General Surgery Resident

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Department of Surgery
4 Maloney
3400 Spruce Street
Philadelphia, PA 19104

Administrative Telephone: 215-662-6156

Contact Information (internal use only)


Gbenga is currently a PGY 7 (CY5) in the Department of Surgery. He spent two years in the lab of Dr. Sunil Singhal studying intraoperative imaging of tumors. During this time, he also served as the REC chair. He will pursue further training in Cardiothoracic Surgery with a focus on Thoracic Surgery at the University of Pittsburgh Medical Center beginning in the summer of 2016.

2015 - present Instructor in Surgery
2009 - 2015 Assistant Instructor in Surgery
2012 - 2014 Postdoctoral Researcher
2005 - 2009 MD - University of Pennsylvania School of Medicine
Philadelphia, Pennsylvania
2001 - 2005 BA in Neurobiology - Harvard University
Cambridge, Massachusetts
2014 - present SBAS
2011 Resident Education Committee
2011 - present AAS
2008 - present ACS
2005 - 2009 Agnew Surgical Society
President 2008 - 2009

06/2012 – 06/2014
University of Pennsylvania, Harrison Department of Research
Postdoctoral Researcher
Organized and performed research on the utility and feasibility of intraoperative tumor visualization using fluorescent dyes and near infra red imaging.

04/2009 – 10/2011
University of Pennsylvania, Department of Surgery, Philadelphia, PA
Researcher, Dr. Rachel Kelz
Designed, organized, executed and studied the durability and effect of a week-long surgical boot camp on senior medical student entering into general surgery or surgical subspecialty training.

08/2008 – 05/2009
University of Pennsylvania, Department of Surgery, Philadelphia, PA
Student Researcher, Dr. Noel Williams
Performing research about surgical simulation and its application to resident and medical student education. Research included travel to St. Mary's hospital in London to establish collaborative projects between my home institution and there.

06/2006 - 08/2006
University of Pennsylvania, Department of Surgery, Philadelphia, PA
Summer Scholar, Dr. Vicente Gracias
Collected, organized and analyzed data for the I.N.B.U project (Intensivist Bedside Ultrasound). Study was aimed at determining if ICU intensivist could accurately use ultrasound as a means of determining patients volume status and EF as compared to invasive monitoring.

05/2004 - 03/2005
Harvard Medical School, Boston, MA
Student Researcher, Edward Kravitz
Work in a fruit fly lab. Studied aggressive behavior of fruit flies. Specifically those that had the trans gene for alpha synuclein, a protein implicated in the pathogenesis of Parkinson's disease.

  1. Mark DG, Ku BS, Carr BG, Everett WW, Okusanya O, Horan A, Gracias VH, Dean AJ. Directed bedside transthoracic echocardiography: preferred cardiac window for left ventricular ejection fraction estimation in critically ill patients. Am Journal of Emergency Medicine. 2007. Oct:25(8):894-900.
  2. Carr BG, Dean AJ, Everett WW, Ku BS, Mark DG, Okusanya O, Horan AD, Gracias VH.: Intensivist bedside ultrasound (INBU) for volume assessment in the intensive care unit: a pilot. Journal of Trauma. 2007. Sep:63(3): 495 - 500.
  3. Predina JD, Judy B, Fridlender ZG, Aliperti LA, Madajewski B, Kapoor V, Cheng G, Quatromoni J, Okusanya O, Singhal S. A positive-margin resection model recreates the postsurgical tumor microenvironment and is a reliable model for adjuvant therapy evaluation. Cancer Biol Ther. 2012 Jul 1;13(9). 
  4. Predina JD, Judy B, Kapoor V, Blouin A, Aliperti LA, Levine D, Okusanya OT, Quatromoni J, Fridlender ZG, Singhal S. Characterization of surgical models of postoperative tumor recurrence for preclinical adjuvant therapy assessment. Am J Transl Res. 2012;4(2):206-18. Epub 2012 Apr 10.
  5. Quatromoni JG, Suzuki E, Okusanya OT, Judy BF, Bhojnagarwala P, Venegas O, Eruslanov E, Predina JD, Albelda SM, Singhal S. The timing of TGF-β inhibition affects the generation of antigen-specific CD8+ T Cells. BMC Immunology, In Press.  
  6. Okusanya OT, Kornfield ZN, Reinke CE, Morris JB, Sarani B, Williams NN, Kelz RR. The effect and durability of a pregraduation boot cAMP on the confidence of senior medical student entering surgical residencies. J Surg Educ. 2012 Jul;69(4):536-43
  7. Quatromoni JG, Suzuki E, Okusanya O, Judy BF, Bhojnagarwala P, Venegas O, Eruslanov E, Predina JD, Albelda SM, Singhal S. The timing of TGF-beta inhibition affects the generation of antigen-specific CD8+ T Cells. BMC Immunology. 2013 July 17; 14(1):30
  8. Okusanya OT, Scott M, Low DL, Morris JB.  The Partial Underlay Preperitoneal with Panniculectomy (PUPP) Repair for Incisional Abdominal Hernia in the Morbidly Obese. Surg Obes Relat Dis. 2013 July 31.
  9. Okusanya OT, Madajewski B, Segal E, Judy,BF, Venegas OG, Judy RP, Quatromoni JG, Wang MD, Nie S, Singhal S. Small Portable Interchangeable Imager of Fluorescence for Fluorescence Guided Surgery and Research. Technol Cancer Res Treat., 2013 December 17
  10. Holt DE, Okusanya OT, Judy RP, Venegas OG, Jiang J, Dejesus E, Eruslanov E, Quatromoni J, Bhojnagarwala P, Charuhas D, Albelda S, Nie S, Singhal S.. Intraoperative Near-Infrared Imaging Can Distinguish Cancer From Normal Tissue But Not Inflammation.. Plos One. 2014 Jul; 9(7): Epub. Cited in PubMed; PMID: 25072388.
  11. Okusanya OT, Holt DE, Heitjan DF, Deshpande CG, Venegas OG, Jiiang J, Judy RP, Dejesus E, Madajewski B, Oh K, Wang MD, Albelda SM, Nie S, Sunil S.. Intraoperative Near-Infrared Imaging Can Identify Pulmonary Nodules.. Annals of Thoracic Surgery. 2014 Oct; 98(4): 1223-1230. Cited in PubMed; PMID: 25106680
  12. Quatromoni JG, Predina JD, Bhojnagarwala P, Judy RP, Jiang J, De Jesus E, Kapoor V, Cheng G, Okusanya OT, Eruslanov E, Singhal S.. Adenoviral Based Immunotherapy Provides Local Disease Control in an Orthotopic Murine Model of Esophageal Cancer.. Jounral of Immunotherapy. 2014 Jun; 35(5): 283-292. Cited in PubMed; PMID: 24810640.
  13. Okusanya OT, Deshpande C, Barbosa EM, Aggarwal C, Simone Ii CB, Jiang J, Judy R, DeJesus E, Albelda S, Nie S, Low PS, Singhal S.. Molecular imaging to identify tumor recurrence following chemoradiation in a hostile surgical environment.. Molecular Imaging. 2014 Nov; 13(0): 1-6. Cited in PubMed; PMID: 25442640
  14. Jiang JX, Keating JJ, Jesus EM, Judy RP, Madajewski B, Venegas O, Okusanya OT, Singhal S. Optimization of the enhanced permeability and retention effect for near-infrared imaging of solid tumors with indocyanine green. Am J Nucl Med Mol Imaging. 2015 Jun 15;5(4):390-400. eCollection 2015.
  15. Keating JJ, Okusanya OT, De Jesus E, Judy R, Jiang J, Deshpande C, Nie S, Low P, Singhal S. Intraoperative Molecular Imaging of Lung Adenocarcinoma Can Identify Residual Tumor Cells at the Surgical Margins. Mol Imaging Biol. 2015 Jul 31. [Epub ahead of print]
  16. Raper SE, Gupta M, Okusanya O, Morris JB. Improving Communication Skills: A Course for Academic Medical Center Surgery Residents and Faculty. J Surg Educ. 2015 Jul 13. pii: S1931-7204(15)00160-9. doi: 10.1016/j.jsurg.2015.06.008. [Epub ahead of print] Review.
  17. Holt D, Parthasarathy AB, Okusanya O, Keating J, Venegas O, Deshpande C, Karakousis G, Madajewski B, Durham A, Nie S, Yodh AG, Singhal S. Intraoperative near-infrared fluorescence imaging and spectroscopy identifies residual tumor cells in wounds. J Biomed Opt. 2015 Jul;20(7):76002. doi: 10.1117/1.JBO.20.7.076002.
  18. Okusanya OT, DeJesus EM, Jiang JX, Judy RP, Venegas OG, Deshpande CG, Heitjan DF, Nie S, Low PS, Singhal S. Intraoperative molecular imaging can identify lung adenocarcinomas during pulmonary resection. J Thorac Cardiovasc Surg. 2015 Jul;150(1):28-35.e1. doi: 10.1016/j.jtcvs.2015.05.014. Epub 2015 May 7.
  19. Kennedy GT, Okusanya OT, Keating JJ, Heitjan DF, Deshpande C, Litzky LA, Albelda SM, Drebin JA, Nie S, Low PS, Singhal S. The Optical Biopsy: A Novel Technique for Rapid Intraoperative Diagnosis of Primary Pulmonary Adenocarcinomas. Ann Surg. 2015 Oct;262 (4):602-9.
  20. Judy RP, Keating JJ, DeJesus EM, Jiang JX, Okusanya OT, Nie S, Holt DE, Arlauckas SP, Low PS, Delikatny EJ, Singhal S. Quantification of tumor fluorescence during intraoperative optical cancer imaging.Sci Rep. 2015 Nov 13;5:16208. 
2015 Gold Humanism Honor Society Resident Inductee
2014 William Y. Inouye Resident Award - Department of Surgery
Hospital of the University of Pennsylvania
2014 Gordon P. Buzby Surgical Leadership Award - Department of Surgery
Hospital of the University of Pennsylvania
2014 C. Walton Lillihei Forum  Winner - American Association of Thoracic Surgery
2013 RAS Leadership Scholarship - American College of Surgeons
2012 Penn Pearl Teaching Award - Perelman School of Medicine at the University of Pennsylvania
2009 Russell J. Stumacher  Memorial Prize -University of Pennsylvania School of Medicine

Dr. Olugbenga Okusanya

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