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In This Section Texas Health Dallas

Radiation Therapy / Stereotactic Radiosurgery

Texas Health Presbyterian Hospital Dallas continues to provide leading edge technology to assist physicians and nurses in providing exceptional care for patients. The Elekta Infinity linear accelerator enables Texas Health Dallas’ team of radiation oncology specialists to tailor treatment plans to meet each patient’s individual needs. The Infinity offers a wide range of radiation treatments and technologies, such as intensity modulated radiation therapy (IMRT), stereotactic radiosurgery/stereotactic body radiotherapy (SRS/SBRT), and image-guided radiation therapy (IGRT).

Texas Health Dallas' radiation therapy department has many different types of radiation therapy to meet individual patient clinical needs. 

Conventional External Beam Radiotherapy

High Energy X-ray radiation is electrically produced and precisely directed to a target area. 

Intensity Modulated Radiotherapy (IMRT)
An advanced method of planning and delivering radiation therapy which allows the radiation oncologist to more precisely shape the dose of radiation.  Frequently used, this form of radiation therapy allows physicians on the medical staff at Texas Health Dallas to deliver therapeutic doses of radiation to targets while nearly eliminating the radiation dose to normal surrounding tissues. 

Image Guided Radiotherapy (IGRT)
As radiation therapy treatments become more precise, image guidance is used to verify the targeted area just prior to the treatment delivery, giving these treatments accuracy within millimeters. 

Stereotactic Radiosurgery

A non-invasive radiation therapy treatment with surgical precision used to treat small cancerous and non-cancerous conditions for patients for whom surgery is not an option.  The physicians at Texas Health Dallas delever this leading edge treatment two different ways:

  • Gamma Knife
    Texas Health Dallas was one the first hospitals in the U.S. to use the Gamma Knife®, considered the gold standard for delivering surgically precise intracranial-radiation therapy. Not really a knife at all, this instrument uses high-quality MRI imaging to direct pencil-lead-thin beams of radiation with sub-millimeter accuracy to treat brain tumors while sparing the immediate surrounding tissues.
  • Elekta Infinity Stereotactic Radiation
    Elekta Infinity™ provides a painless, non-invasive outpatient procedure for cancerous and non-cancerous conditions. The Infinity uses a treatment beam contoured to the exact shape of a patient’s tumor, precisely delivering treatment while protecting surrounding healthy tissue in areas of the liver, head and neck, lung, and more. 


Brachytherapy involves the administration of radiation with radioactive sources implanted within the patient’s body. This technique is used for ultrasound-guided-prostate-seed brachytherapy, gynecological brachytherapy, i-plaque brachytherapy for ocular melanomas and interstitial brachytherapy for sites including tongue, lung and bile ducts. 

We are also pleased that the GliaSite catheter has been re-introduced to the market. Introduced in 2003, this treatment catheter was extremely effective at providing focused radiation to brain tumors in a slightly larger area than was possible with the Gamma Knife®. The GliaSite catheter was reintroduced to the market in late 2012 and will be once again available to treat brain-tumor patients at Texas Health Dallas.

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