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News and Research
Medical Physicist - Permanent full time positionWe are seeking a suitably qualified senior medical physicist to join a supportive, friendly and enthusiastic team. This is a full-time position and preference will be given to applicants with four or more year’s post-qualified experience. We offer a relocation package for suitably qualified international applicants. |
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Prostate Cancer Precise Detection and Staging Insight by Dr Benji BenjaminPSMA is an enzyme found in abundance on the cell surface of prostate cancer cells. Until recently patients newly diagnosed with high risk prostate cancer or patients where the prostate cancer has returned or metastasised would generally undergo a range of scans such as CT, bone and MRI to detect and stage prostate cancer. |
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Dr. Benjamin Inducted into Hall of FameDr. Benjamin, clinical director Auckland Radiation Oncology (ARO) was inducted into the Kiwi Indian Hall of Fame on 23 June 2016. The award was presented by Rt Hon John Key, Prime Minister of New Zealand and recognizes Dr. Benjamin's outstanding contribution to medicine and the community. The Hall of Fame is a platform for acknowledging and celebrating the success of Kiwi-Indians. |
Melanoma month: A call to check your skinIt’s melanoma March this month and the Melanoma March National Appeal is kicking off with 'A call to check your skin'. Melanoma New Zealand’s goal is to get Kiwis, who have the highest melanoma rates in the world, to be proactive in looking out for the early signs of this deadly skin cancer. Over 4000 New Zealanders are diagnosed each year with melanoma. Around 300 New Zealanders die of melanoma every year. |
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ARO Physics Team Attracts Top TalentARO has attracted internationally experienced and highly qualified medical phyicists to be part of their Physics Team. |
New Radiation Oncologist boosts skin and lung radiation capabilitiesDr Arunachalam has recently joined ARO as a Radiation Oncologist Consultant. His specialties include lung, skin, sarcoma, as well as Stereotactic Ablative Radiotherapy, Non-malignant and Palliative cases. He is an enthusiastic, passionate and caring Radiation Oncologist who works at Auckland City Hospital. |
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Yoga boosts quality of life and helps reduce radiation therapy side effectsYoga improves the quality of life of women undergoing radiotherapy for breast cancer better than the use of simple stretching exercises alone, according to a study published online in the Journal of Clinical Oncology. It also appears to control patients' cortisol levels, which can lead to better outcomes. |
Radiation treatment improves survival for adults with a slow-growing type of brain tumorAdults with low-grade gliomas, a form of brain tumor, who received chemotherapy following completion of radiation therapy lived longer than patients who received radiation therapy alone, according to long-term follow-up results from a NIH-supported randomized controlled clinical trial. Low-grade gliomas have a more indolent or slower growing behavior and better outcome compared to the more common high-grade gliomas such as glioblastoma |
Two Regimens for Patients with Non-small Cell Lung CancerThere are patients with stage I–III non-small cell lung cancer (NSCLC) who are not suitable for curative radical chemoradiation therapy. There are patients with an isolated solitary extracranial metastasis who have improved outcomes compared with those with cranial or multiple metastases. Patients of good performance status receiving moderate dose radiation therapy have improved survival. Two regimens of moderate dose chemoradiation therapy for such patients were compared in a randomized phase II trial. |
An Approach to Prostate Segmentation on MR ImagesProstate segmentation on MR images attracted greater research interest in recent years, with the introduction of conformal radiotherapy (CRT) and intensity modulated radiotherapy (IMRT) for prostate cancer. Accurate delineation of tumor target volume and organs at risk becomes increasingly important in radiotherapy treatment planning. However, it is difficult to perform fully automated segmentation in T2-weighted images because the signal intensity within the prostate is inhomogeneous as it reflects the underlying characteristics of the glandular tissue [1]. The interface between the prostate and the rectum and bladder is not always clear. |
Current Role and Future Perspectives of Magnetic Resonance SpectroscopyFurther to the development of three-dimensional (3D) conformal, intensity-modulated, image-guided, adaptive radiation therapy, major changes have occurred in the last three decades in the treatment planning of nonmetastatic prostate cancer. These techniques have significantly improved treatment precision, allowing for greater sparing of critical organ and delivery of escalated doses of radiation to the target volume. |
Quality assessment for VMAT prostate radiotherapyThe majority of commercial radiotherapy treatment planning systems requires planners to iteratively adjust the plan parameters in order to find a satisfactory plan. This iterative trial-and-error nature of radiotherapy treatment planning results in an inefficient planning process and in order to reduce such inefficiency, plans can be accepted without achieving the best attainable quality. |
Quality assessment for VMAT prostate radiotherapy planning based on data envelopment analysisDuring the past two decades, radiotherapy treatment techniques have advanced significantly due to the development of dynamic multileaf collimators coupled with commercially available inverse planning systems. This has led to the widespread use of intensity modulated radiation therapy (IMRT) which facilitates improved conformance to the treatment volume while minimizing dose to surrounding avoidance structures... This research paper looks at using data envelopment analysis (DEA) to address potential inefficiencies in planning adjustment. |
Radiation-induced vertebral compression fracture following spine stereotactic radiosurgerySpine stereotactic radiosurgery (SRS) is increasingly being used to treat metastatic spinal tumors. As the experience matures, high rates of vertebral compression fracture (VCF) are being observed. |
Percutaneous spine stabilisation prior to stereotactic radiosurgery for high risk spinal metastasesNew, or progression of existing, vertebral compression fracture (VCF) post spine- stereotactic radiosurgery (SRS) for spinal metastases has been reported in the range of 10-39%. Lesion location, radiological appearance, presence of deformity, mechanical pain and percent of vertebral body involvement has reported as potential predictors of VCF. We report our pilot experience and retrospective analysis of patients thought to be at high risk of progressive VCF who were stabilized prophylactically with a percutaneous technique followed by spine SRS. |
Broadcaster Angela D’Audney’s cancer treatment wish now a realityCancer patients will soon benefit from the first radiotherapy programme of its kind to arrive in New Zealand. |
ARO finishes in top ten in JRA Best Workplaces AwardsARO is proud to announce it's success in the JRA Best Workplaces Awards 2011, finishing in the top ten in the small business category at the awards ceremony held at the Langham Hotel in Auckland on Thursday 17 November. This is ARO's third consecutive year as a finalist and is another great milestone for the organisation. |
New research project for women undergoing radiation therapyOne of the major concerns for women undergoing radiation therapy to the breast area is the extent of the skin reaction or "burning" they might experience. This is a very individual reaction to the treatment and the amount of skin changes vary greatly from patient to patient, dependant on skin type, age and lifestyle amongst other things... |