News tagged with radiation beam
Radiologists find a technique to significantly reduce patient radiation dose during CT angiography
Sep 21, 2009 |
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Radiologists have discovered that prospective electrocardiogram (ECG) gating allows them to significantly reduce the patient radiation dose delivered during computed tomography (CT) angiography, a common noninvasive technique ...
Breakthrough in radiotherapy promises targeted cancer treatment
May 19, 2009 |
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(PhysOrg.com) -- Current radiation therapy treatment damages a patient's healthy tissue as well as eradicating the tumour it is intended to destroy, making the treatment especially invasive and often causing nasty side effects.
Proton therapy lowers chance of later cancers
Sep 22, 2008 |
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Patients who are treated with proton therapy (a specialized type of external beam radiation therapy using protons rather than X-rays to treat cancer) decreases the risk of patients developing a secondary cancer by two-fold, ...
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Adding proton therapy 'boost' to X-ray radiation therapy reduces prostate cancer recurrences
Nov 02, 2009 |
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Men who receive a "boost" of proton therapy after receiving a standard course of X-ray radiation therapy have fewer recurrences of their prostate cancer compared to men who did not receive the extra dose of proton radiation, ...
Radiation after surgery reduces chance of melanoma returning
Nov 02, 2009 |
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High-risk melanoma patients who are treated with radiation after surgery have a significantly lower risk of their cancer returning to the lymph nodes (19 percent), compared to those patients who do not have radiation therapy ...
Radiation therapy combo cures prostate cancer long-term
Jan 04, 2007 |
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Seventy-four percent of men treated with a combination of radiation seed implants and external beam radiation therapy for prostate cancer are cured of their disease 15 years following their treatment, according to a study ...
Rare pancreatic cancer patients may live longer when treated with radiation therapy
Nov 20, 2009 |
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Radiation therapy is effective in achieving local control and palliation in patients with pancreatic neuroendocrine tumors (PNTs), despite such tumors being commonly considered resistant to radiation therapy, according to ...
Proton therapy is well-tolerated in prostate cancer patients
Nov 02, 2009 |
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Proton beam therapy can be safely delivered to men with prostate cancer and has minimal urinary and rectal side effects, according to a study presented November 2, 2009, at the American Society for Radiation Oncology's 51st ...
Radiation dose drastically reduced during whole chest MDCT
Jun 24, 2009 |
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Emergency physicians who evaluate patients with non-specific chest pain using whole chest multi-detector CT (MDCT) combined with retrospective electrocardiogram (ECG) gating can reduce the patient radiation dose by 71% using ...
Additional, specialized radiation not necessary for some women after mastectomy
Nov 03, 2009 |
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After mastectomy, breast cancer patients who receive radiation treatment to the lymph nodes located behind the breast bone do not live longer than those who do not receive radiation to this hard-to-treat area, according to ...
Undetectable PSA after radiation is possible and predicts good patient outcomes
Nov 02, 2009 |
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Fox Chase Cancer Center researchers report that radiation therapy alone can reduce prostate specific antigen (PSA) levels below detectable amounts in prostate cancer patients. Patients who have an undetectable level of PSA ...
LCLS Beam Already in Action
Aug 06, 2007 |
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The Near and Far Experimental halls are still under construction, but already scientists are putting the Linac Coherent Light Source (LCLS) beam to use. The LCLS electron beam, first generated in April, is ...
Groovy Project Solving Cloudy Problem
Sep 07, 2007 |
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Experiments in the PEP-II accelerator have shown that beam pipes with grooves can snare unwelcome electrons, greatly reducing the formation of electron clouds that can disturb the beam.
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