Joshua D.I. Ellenhorn, MD
Joshua D.I. Ellenhorn, MD

Joshua D.I. Ellenhorn, MD is a leading expert in Surgical Oncology, specializing in the surgical treatment of cancer. He is Clinical Professor of Surgery at Cedars-Sinai Medical Center and Adjunct Professor at the John Wayne Cancer Center.  A Senior Partner in the Surgery Group of Los Angeles, he is ranked by US News & World Report among the top 1% of Surgeons in the United States and ranked as a Super Doctor in Los Angeles. He is a medical educator, having trained over 60 surgical oncologists. A nationally recognized leader in surgery, surgical education, and cancer research, Dr. Ellenhorn is dedicated to providing the highest quality of surgical care with an emphasis on a personalized approach to the individual patient. More about Doctor Ellenhorn »

What is Surgical Oncology?

Surgical oncology is a specialty that focuses on the surgical treatment of a variety of tumors, the most common being breast cancer, colorectal cancer, pancreatic and gastric cancer, liver tumors, melanoma, and endocrine tumors. Surgical oncology requires a specialized two year training program after a general surgery residency. Currently training comes from programs approved by the Society of Surgical Oncology (SSO). Dr. Ellenhorn graduated from the prestigious SSO-certified Surgical Oncology Training Program at Memorial Sloan-Kettering Cancer Center MSKCC.org and he directed the SSO-certified Surgical Oncology Training Program at City of Hope for 10 years. mskcc.org. The American Board of Surgery (ABS) has received approval to offer a new subspecialty certificate in complex general surgical oncology. Learn more about surgical oncology »

Recent Instructional Videos

Dr. Ellenhorn on the Doctor's Show

Intraoperative Radiation Therapy for Breast Cancer: Case Demonstration

Intraoperative Radiation Therapy for Breast Cancer

Laparoscopic and Robotic Total Gastrectomy for Stomach Cancer

Laparoscopic and Robotic Distal Gastrectomy for Cancer

Laparoscopic Subtotal Gastrectomy and D2 Lymphadenectomy for Cancer



Dr. Ellenhorn’s Recent Publications

2012.Oxner CR, Vora L, Yim J, Kruper L, Ellenhorn JDI. Magnetic resonance imaging-guided breast biopsy in lesions not visualized by mammogram or ultrasound. American Surgeon 2012 78:1087-1090 2012.Learn More »
2012.Arrington AK, Nelson R, Chen SL, Ellenhorn JDI, Garcia-Aguilar J, Kim J. The Evolution of Surgical Technique for Total Gastrectomy Over a 12-Year Period: A Single Institution's Experience. American Surgeon 2012 78:1054-1058 2012.Learn More »
2012. Blache CA, Manuel ER, Kaltcheva TI, Wong AN, Ellenhorn JDI, Blazar BR, Diamond DJ. Systemic Delivery of Salmonella Typhimurium Transformed with IDO shRNA Enhances Intratumoral Vector Colonization and Suppresses Tumor Growth. Cancer Res. 72:6447-6456 2012.Learn More »
2013.Aronowitz JA, Ellenhorn JDI. Adipose Stromal Vascular Fraction Isolation: A Head-to-Head Comparison of Four Commercial Cell Separation Systems. Plast Reconstr Surg. 132:932-939 2013.Learn More »
2013.Ellenhorn JDI. When it comes to the efficacy of metastasectomy, biology is king. Oncology (Williston Park). 27:1051, 2013.Learn More »