Nipple Sparing Mastectomy is Oncologically Safe

June 29th, 2015 @

A new study determines that nipple sparing mastectomies are oncologically safe.  A nipple sparing mastectomy is not only technically more challenging than a standard skin sparing mastectomy but must also be oncologically safe.  In other words the surgical oncologist must address two concerns when performing a nipple sparing mastectomy:  the first is to ensure the residual glandular … Read More »

Safe Way to Reduce the Rate Skin Cancer

June 20th, 2015 @

How many of you are tired of hearing about how to prevent cancer?  These pseudo scientific studies or studies that “don’t fit into the box of standard of care” make ridiculous claims day in and day out of what we should eat, what we shouldn’t eat, toxicity levels and on and on … all in … Read More »

Helicobacter Pylori and Gastric Cancer

October 29th, 2014 @

More than 700,000 people will die of gastric cancer this year.  Yet it doesn’t receive nearly enough attention. Considering that gastric cancer, is the third most common cause of cancer death globally with the numbers of cases and deaths expected to increase in coming years gastric cancer receives little attention from research funding agencies or … Read More »

Does a healthy lifestyle really reduce the risk of developing colon cancer?

October 27th, 2014 @

My favorite studies are the kinds that confirm what we already knew via the scientific method.  As a surgical oncologist, lots of my patients ask me if diet and exercise has an impact on cancer.  Well I always believe that diet and exercise have an overall impact on a person’s health, so answering in the … Read More »


September 21st, 2014 @

Minimally Invasive Surgery

July 27th, 2014 @

I love research studies especially when the result has a solid outcome that benefits my patients. A recent retrospective study conducted at John Hopkins Hospital took a look at how often hospitals use minimally invasive surgery. The discovery was pretty interesting. Minimally invasive surgery or laparoscopic surgery can be used to treat many conditions. In … Read More »

An Aspirin a Day Keeps Pancreatic Cancer Away

July 2nd, 2014 @

 Here’s a bit of good news for those who are taking a daily low dose of aspirin for the prevention of heart attacks.  It seems that a low dose of 75 to 325 mg of aspirin per day can cut the risk of pancreatic cancer by almost half.  In a recent study published in  Cancer Epidemiology, Biomarkers … Read More »

Enhancing an Immunogenic Response in Pancreatic Ductal Adenocarcinoma

July 2nd, 2014 @

Managing patients with pancreatic ductal adenocarcinoma is challenging. This type of malignancy invades early in its course and metastasizes rapidly.  It is important that patients who are resectable, benefit from a surgical course of treatment in a multidisciplinary manner. A recent (conducted between 2008-2012) clinical trial conducted be Lei Zheng, MD, PhD, assistant professor of … Read More »

Sunburn and Melanoma

June 22nd, 2014 @

I’m the kind of doctor that just doesn’t heed anecdotal evidence. I need solid scientific proof. For those of you who are like me, you’ll be glad to learn that a new study finally proves what your mothers probably already knew: sunburns are not good for you. A prospective study followed 108,916 women in the … Read More »

Contralateral Mastectomy for BRCA+ Breast Cancer Patients

June 11th, 2014 @

A recent study published in the British Medical Journal, compared the survival rates of women diagnosed with BRCA associated breast cancer that underwent a double mastectomy with women who did not undergo a mastectomy of the other breast. The particpants were 390 women with Stage 1 or Stage 2 breast cancer and were carriers of … Read More »

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 and he directed the SSO-certified Surgical Oncology Training Program at City of Hope for 10 years. 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 »

Instructional Videos

Robotic Spleen Preserving Distal Pancreatectomy

Robotic Repair of a Femoral Hernia

Laparoscopic Resection of a Gastric GIST

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 »