Accuboost Radiotherapy | Breast Radiotherapy
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AccuBoost Radiotherapy Breast Cancer
AccuBoost’s Strive for Perfection...
AccuBoost® is the latest innovation in breast radiotherapy that enables your radiation oncologist to achieve the goal of targeting the boost radiation dose to the lumpectomy cavity margin – the tissue that is the most likely site of future recurrence. Breast cancer radiation treatment enabled by AccuBoost technology combines a noninvasive method of delivering a well-focused beam with the power of real-time image guidance to accurately and reliably target the radiation dose to the surgical excision site (target tissue). Additionally, the AccuBoost radiotherapy process strongly limits unintentional exposure to otherwise healthy tissue and minimizes radiation-related side effects.
AccuBoost Radiotherapy through Northern Nevada Radiation Oncology
At Northern Nevada Radiation Oncology, our team of oncologists use AccuBoost technology to deliver precise, focused radiotherapy treatments to patients living in Reno, Carson City, Lake Tahoe and the Sierra. If you have a need for this type of cancer treatment, please contact our office. We’ll work with you to select the most effective radiation treatment for your situation.
Stereotactic radiosurgery (SRS) is a highly precise form of radiation therapy initially developed to treat small brain tumors and functional abnormalities of the brain. The principles of cranial SRS, namely high precision radiation treatment where delivery is accurate to within one to two millimeters, are now being applied to the treatment of body tumors with a procedure known as stereotactic body radiotherapy (SBRT).
Despite its name, stereotactic radiosurgery (SRS) is a non-surgical procedure that delivers precisely-targeted radiation at much higher doses, in only a single or few treatments, as compared to traditional radiation therapy. This treatment is only possible due to the development of highly advanced radiation technologies that permit maximum dose delivery within the target while minimizing dose to the surrounding healthy tissue. The goal of stereotactic radiosurgery is to deliver doses that will destroy the tumor and achieve permanent local control.
SRS and SBRT rely on several technologies
3D imaging and localization techniques that determine the exact coordinates of the target within the body.
Systems to immobilize, carefully position, and maintain the position of the patient during radiation therapy.
Highly focused gamma-ray or x-ray beams that converge on a tumor or abnormality.
Image-guided radiation therapy (IGRT) which uses medical imaging to confirm the location of a tumor immediately before, and in some cases, during the delivery of radiation. IGRT also improves the precision and accuracy of the treatment.
Three-dimensional imaging, such as CT, MRI, and PET/CT, is used to locate the cancerous tumor or abnormality within the body and define its exact size and shape. These images also guide the treatment planning (in which beams are designed to converge on the target area from different angles and planes),as well as the careful positioning of the patient for therapy sessions.
Although stereotactic radiosurgery commonly refers to a one-day treatment, physicians sometimes recommend multiple stereotactic delivered treatments. This is important for tumors larger than one inch in diameter as the surrounding normal tissue exposed to the single high dose must be respected and limited, and the volume of normal tissue treated increases proportionally to the tumor size. Delivering the radiation in a few sessions as opposed to one can improve safety and allow the normal tissue to heal in between treatments. Therefore, fractionating the treatment allows for high doses to still be delivered within the target, while maintaining an acceptable safety profile; this procedure is usually referred to as fractionated stereotactic radiotherapy (SRT), and typically refers to the delivery of two to five treatments of focused radiation. SRS and SBRT are important alternatives to invasive surgery, especially for patients who are unable to undergo surgery and for tumors and abnormalities that are either hard to reach, located close to vital organs/anatomic regions, or subject to movement within the body.
Stereotactic Radiosurgery (SRS) is used to treat many types of brain tumors, including
Residual tumor cells following surgery
Intracranial, orbital and base-of-skull tumors
Arteriovenous malformations (AVMs), a tangle of expanded blood vessels that disrupts normal blood flow in the brain and sometimes bleeds
And other neurological conditions such as trigeminal neuralgia (a nerve disorder in the face), tremors, etc.
Stereotactic body radiotherapy (SBRT) is currently used and/or being investigated for use in treating malignant or benign small to medium-sized tumors in common disease sites, including the
Fundamentally, SRS works in the same way as other forms of radiation treatment. It does not actually remove the tumor; rather, it damages the DNA of tumor cells. As a result, these cells lose their ability to reproduce. Following treatment, benign tumors usually shrink over a period of 18 months to two years. Malignant and metastatic tumors may shrink more rapidly, even within a couple of months. When treated with stereotactic radiosurgery, arteriovenous malformations (AVMs) may begin to thicken and close off slowly over a period of several years following treatment. Many tumors will remain stable and inactive without any change; since the aim is to prevent tumor growth, this is considered a success. In some tumors, like acoustic neuromas, a temporary enlargement may be observed following SRS due to an inflammatory response within the tumor tissue that over time; this will either stabilize, or a subsequent tumor regression is observed called pseudoprogression.
At Northern Nevada Radiation Oncology, our radiation technologists provide radiation treatments such as stereotactic radiosurgery to those living in Reno, Carson City, Lake Tahoe and the Sierra. Contact us today for more information!