Radiation Oncology Digital Community
10-year prostate cancer outcomes show rad therapy's benefit
October 19, 2012 -- Ten-year clinical outcomes for prostate cancer patients participating in a trial comparing postoperative radiotherapy with observation only show that patients who were irradiated had significantly improved biochemical progression-free survival and local control.
Learning from errors boosts QA in radiation therapy
October 16, 2012 -- Establishing a successful radiotherapy quality assurance (QA) program and a department-wide culture of safety is challenging. Sustaining it can be achieved with an incident learning system, as explained in an article published online in Practical Radiation Oncology.
Hybrid linac-MRI tracks motion during radiotherapy
October 8, 2012 -- Real-time tumor tracking could prove invaluable for radiotherapy of moving targets such as lung tumors. Using MRI for such tracking provides position verification without ionizing radiation. Researchers recently discussed the latest results of a prototype hybrid linac-MRI system being developed at the Cross Cancer Institute in Canada.
Real-time dose monitoring tool enhances VMAT radiotherapy QA
October 3, 2012 -- Radiation oncology departments expect their linear accelerators to delivery radiation doses accurately as programmed. While it's possible to check planned dose delivery after treatment, safety for patients is increased if dose data can be monitored in real-time.
Fasting enhances response of glioma to radiation therapy
October 3, 2012 -- Controlled fasting improves the effectiveness of chemotherapy and radiation therapy in mice with aggressive brain tumors, extending their survival, according to research published in September in PLOS One.
Risk markers found for erectile dysfunction after RT
October 1, 2012 -- Genetic markers associated with the development of erectile dysfunction in prostate cancer patients following radiation therapy (RT) have been identified, according to a study published online on September 27 in the International Journal of Radiation Oncology, Biology, Physics.
Study predicts cancer care costs to double by 2020
September 25, 2012 -- Cancer-related medical costs are expected to more than double in some U.S. states within eight years, according to a study published in the September issue of the American Journal of Managed Care.
ASCO BSC: Long-term APBI outcomes are favorable
September 19, 2012 -- Long-term outcomes of breast cancer patients participating in a clinical trial evaluating the effectiveness of accelerated partial-breast irradiation (APBI) continue to be favorable, according to a presentation in San Francisco last week at the American Society of Clinical Oncology's (ASCO) Breast Cancer Symposium (BCS).
Exploiting log files for optimal radiotherapy QA
September 18, 2012 -- Quality assurance (QA) of intensity-modulated radiation therapy (IMRT) is a vital component in the radiotherapy process, but current QA procedures are far from optimal. Log files produced by radiotherapy systems can be exploited to vastly improve IMRT quality assurance.
Cranial irradiation decreases NSCLC metastases
September 11, 2012 -- Cranial irradiation of patients with stage III non-small cell lung cancer (NSCLC) significantly reduces the risk of developing brain metastases. However, it has no effect on survival, according to a presentation at the Chicago Multidisciplinary Symposium in Thoracic Oncology held September 6-8.
Meningioma patients report good QOL years after radiotherapy
September 10, 2012 -- A patient diagnosed with meningioma of the skull base can have several treatment options, all with known risks. Radiation therapy may be the more palatable option, maintaining or improving quality of life (QOL), according to a new study published in Radiotherapy and Oncology.
Outcomes improve for early-stage NSCLC patients
September 7, 2012 -- Outcomes have improved in patients with stage I non-small cell lung cancer (NSCLC) in the U.S. since 1999, with the improvement presumably coming from radiation therapy, according to a study presented at this week's Chicago Multidisciplinary Symposium in Thoracic Oncology.
Planning APBI treatment for patients with pacemakers
September 7, 2012 -- Breast cancer patients with cardiac pacemakers implanted on the same side of the body as the diseased breast may require surgical relocation of the device prior to radiotherapy. However, if the patient qualifies for accelerated partial-breast irradiation (APBI) using high-dose brachytherapy, the surgery might not be necessary.
Rapamycin may prevent radiation-induced mucositis
September 7, 2012 -- Research scientists from the U.S. National Institute of Dental and Craniofacial Research have discovered a drug that protects stem cells and could prevent cancer patients from developing oral mucositis, or painful inflammation and ulcers in the mouth.
Imaging advances therapy assessment
September 3, 2012 -- Monitoring and understanding a patient's response to therapy plays a central role in optimizing cancer treatment. Advanced imaging technologies could enable monitoring of tumor response at an earlier stage in the treatment course, providing a means for personalized therapy adaptation.
Simple procedures are keys to success of proton facilities
August 28, 2012 -- The use of proton therapy for prostate cancer patients is highly controversial because its high cost compared to other radiation therapy treatments has not been justified by superior patient outcomes. However, prostate cancer patients are essential for a proton therapy center's financial well-being.
RT radiation dose to pancreas linked to adult diabetes risk
August 24, 2012 -- Childhood cancer survivors whose treatment included abdominal radiotherapy (RT) have an increased risk of developing diabetes. Now, a study published online August 23 in Lancet Oncology has narrowed the location of radiation dose vulnerability to the tail of the pancreas.
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