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Radiation for Breast Cancer: Intraoperative Radiation Therapy (IORT)

Intraoperative Radiation Therapy (IORT), is a single-dose radiation alternative for women with early stage breast cancer. Standard treatment can involve five to six weeks of treatment; with IORT, a single dose is delivered in the operating room immediately following a partial mastectomy/lumpectomy.

Most breast cancer recurrences after surgery occur in the same place as the original tumor. With IORT, we are targeting the radiation and only treating the original tumor bed, so we spare healthy breast tissue that whole-breast radiation may negatively affect. 

Advantages of IORT

  • A single, low-energy radiation dose delivered internally to the tumor during the surgical procedure.
  • Healthy tissue is exposed to less radiation.
  • This treatment is patient-focused, reducing travel time, physical and psychological stress, and time away from work and family.
  • With IORT, women have the choice of breast-sparing treatment (lumpectomy), without the hassle of five to six weeks of daily radiation.

 Is IORT Right for You?

A discussion with your care team about Breast IORT, as well as other treatment options, is necessary to determine if you are a candidate and how to best address your unique needs. Candidates for the new treatment are selected based on age, size and type of tumor. They are evaluated by both a surgeon and a radiation oncologist. This is part of our multidisciplinary approach.

At the MedStar Health Baltimore Cancer Network, our expert radiation oncologists offer numerous types of radiation therapies and create customized treatment plans for patients based on their unique condition. Learn more.  

Learn more about IORT from our radiation oncologists and breast cancer surgeons in the videos below: 

Location Information

For a physician referral, please call 1-877-715-HOPE.

Our Locations

MedStar Franklin Square Medical Center
The Harry and Jeanette Weinberg Cancer Institute
9103 Franklin Square Drive
Baltimore, MD 21237

MedStar Good Samaritan Hospital
5601 Loch Raven Boulevard
Baltimore, MD 21239

MedStar Harbor Hospital
The Cancer Center
3001 South Hanover St.
Baltimore, MD 21225

 

MedStar Union Memorial Hospital
201 East University Parkway
Johnston Professional Building
Suite 107
Baltimore, MD 21218

MedStar Health Bel Air Medical Campus
Bel Air Oncology Center
12 MedStar Blvd. 
Bel Air, MD 21015
Phone: 410-515-6400

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