Sentences with phrase «beam radiation»
"Beam radiation" refers to a type of focused energy that is emitted in a straight line or concentrated manner. It is typically used in medical treatments such as radiation therapy for cancer, where a controlled beam of radiation is directed at the specific area needing treatment. Full definition
All of the patients in the trial underwent between six and nine weeks of external beam radiation therapy for prostate cancer.
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A form of external beam radiation therapy that delivers a few very large fractions of radiation using new high precision technology.
This contrasts to methods such as gamma or electron beam radiation which are expensive and can damage the polymer.
Either way direct beam radiation is reduced, although only the former process results in heat transfer.
80 % of dogs treated with external beam radiation therapy survive for 1 year, with 72 % at 3 years.
The downside of this technique is that the repeated electron beam radiation can progressively damage the sample.
Those choices include active surveillance, radical prostatectomy, external beam radiation treatment, and brachytherapy, a treatment that involves inserting radioactive seeds into the prostate.
A gamma ray burst is thought to emerge when jets of hot matter moving at near — light - speed shoot out along the rotational axis of the newborn black hole, beaming radiation into space like a lighthouse.
Another key difference, the researchers found: Medicare reimbursement makes external beam radiation profitable, while brachytherapy is not.
Ten dogs were treated with a weekly course fraction beam radiation therapy along with mitoxantrone and piroxicam chemotherapy.
Inhibition of ERK1 / 2 and AKT equally enhanced radio - sensitivity of B16F10 cells exposed to 2.0 and 3.0 Gy electron beam radiation
A study led by Ronald C. Chen, MD, examines quality - of - life outcomes for modern treatment choices most patients will face, including active surveillance, radical prostatectomy, external beam radiation treatment, and brachytherapy.
The merging neutron stars powered a seconds - long gamma ray burst that beamed radiation into space.
Primary treatment for specific tumor types Indications for the use of external beam radiation therapy for the primary treatment of tumors has expanded significantly with the emergence of SRS for pets.
Previously, studies have consistently demonstrated that conventionally fractionated high dose external beam radiation therapy (CRT), consisting of daily treatment for two months, decreases prostate cancer recurrence, and improves metastasis - free survival.
At two years after treatment, more than 57 percent of men who had normal sexual function prior to treatment reported poor sexual function after surgery, compared with 27 percent who reported poor sexual function after external beam radiation, 34 percent after brachytherapy, and 25 percent after active surveillance.
«These findings suggest that many men with intermediate risk prostate cancer can be well managed with seed implant alone and do not require the addition of external beam radiation,» said Bradley Prestidge, MD, lead author of the study and Medical Director of the Bon Secours Cancer Institute at DePaul Medical Center in Norfolk, Virginia.
The other 200 patients were randomised to dose - escalated external beam radiation therapy (DE-EBRT) and received an additional 32 Gy of external beam radiation to achieve a total prostate dose of 78 Gy.
The problem stems partly from the amount of physician time brachytherapy requires: It takes 80 + percent more personnel time to administer brachytherapy than it does to deliver the increasingly popular alternative, external beam radiation.
The original RTOG 9202 trial (Hanks 2003) evaluated the potential benefits of long - term adjuvant androgen deprivation (LTAD) for two years after initial androgen deprivation, when compared to short - term (initial) androgen therapy (STAD) in mostly high - risk prostate cancer patients receiving external beam radiation therapy (EBRT).
«I can certainly imagine how the comparatively poor reimbursement rates compared to external beam radiation could contribute in some environments to not establishing a service for brachytherapy or just not committing physician time to it.»
The researchers used the Surveillance, Epidemiology, and End Results (SEER) Database to identify 7,359 patients with advanced stage cervical cancer treated with external beam radiation therapy (EBRT) between 1988 and 2009.
Overall, the researchers determined that it costs hospitals more than twice as much to provide brachytherapy as it does to provide external - beam radiation.
Methods: Mouse melanoma cell line B16F10 was exposed to 1.0, 2.0 and 3.0 Gy of electron beam radiation.
After 24 h of incubation, cells in the flask were treated with 1.0, 2.0 and 3.0 Gy electron beam radiation (Microtron Centre, Mangalore University, India).
The researchers believe endorectal brachytherapy may be more effective and less toxic that X-ray or external beam radiation.
Treatment of disorders of the central nervous system including malignant, benign and functional diseases, Stereotactic radiosurgery (SRS) via both Gamma Knife and Linear Accelerator platforms, Stereotactic ablative radiation (SABR), Proton Beam Therapy (PBT), External beam radiation therapy (EBRT), Intensity - modulated radiation therapy (IMRT), Volumetric arc therapy (VMAT), Image - guided radiation therapy (IGRT)
If external - beam radiation therapy (the most common kind) is part of your breast cancer treatment, you'll probably have a 20 - minute session at a clinic or hospital every weekday for six or seven consecutive weeks.
If the tumor involves the surrounding tissue and therefore can not be removed surgically, external beam radiation therapy is often used.
Radiation therapy, both internally (called brachytherapy irradiation) and / or externally (teletherapy or external beam radiation), can be used to treat nasal tumors.
«External beam radiation therapy is often performed over several treatments and can only be administered to animals under general anesthesia.»
She believes external beam radiation — at least three treatments before treating with Sm - 153 EDTMP — increases the odds of survival.
In another study external beam radiation therapy was combined with administration of ketoconazole.
We are the ONLY center in the world that provides «high tech and high touch» linear accelerator generated radiation therapy with both photon and electron beam radiation, Trilogy based stereotactic radiosurgery (SRS) and the robotically controlled, computer controlled, Cyberknife stereotactic radiosurgery.
Performed follow up / weekly on - treatment visits for patients under external beam radiation, HDR / brachytherapy (involving anesthesia / sedation), CT simulation and monitored / notified the physician of adverse effects, redevelopment of processes and onset of worsening symptoms.