Results 271 to 280 of about 53,742 (305)
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Hardware-sensitive optimization for intensity modulated radiotherapy
Physics in Medicine and Biology, 2000The multileaf collimator (MLC) hardware constraints are usually neglected in the process of intensity-modulated beam optimization. Consequently, it is not always possible to deliver planned beam modulation using dynamic MLC. Beam optimization is significantly diminished if the results must be approximated due to limitations imposed by the delivery ...
P S, Cho, R J, Marks
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Education and Training for Intensity-modulated Radiotherapy in the UK
Clinical Oncology, 2010A growing body of evidence as to the benefits of intensity-modulated radiotherapy (IMRT) has led to the recommendation for its adoption as a treatment option for cancer patients within the UK. Routine clinical implementation of this technology has been slow.
D, Routsis +3 more
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Intensity-modulated Radiotherapy in the Treatment of Breast Cancer
Clinical Oncology, 2012Intensity-modulated radiotherapy (IMRT) is a newer method of radiotherapy that uses beams with multiple intensity levels for any single beam, allowing concave dose distributions and tighter margins than those possible using conventional radiotherapy. IMRT is ideal for treating complex treatment volumes and avoiding close proximity organs at risk that ...
I, Dayes +4 more
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Intensity-modulated radiotherapy for head-and-neck rhabdomyosarcoma
International Journal of Radiation Oncology*Biology*Physics, 2005To determine the preliminary results of intensity-modulated radiotherapy (IMRT) for head-and-neck rhabdomyosarcoma.Twenty-eight patients underwent IMRT as a part of multimodality therapy. Twenty-one tumors were parameningeal, three were orbital, and four were in other sites. The median age was 8 years (range, 1-29 years).
Suzanne L, Wolden +5 more
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Submandibular Gland-sparing Intensity-modulated Radiotherapy
American Journal of Clinical Oncology, 2014Xerostomia is one of the most debilitating late effects of head and neck radiotherapy (RT) and significantly impacts quality of life. The submandibular gland (SMG) provides approximately 70% of the unstimulated saliva that accounts for about 95% of the salivary flow during a 24-hour period. Intensity-modulated RT (IMRT) has been used in recent years to
William M, Mendenhall +2 more
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Intensity-modulated Radiotherapy in the Treatment of Gynaecological Cancers
Clinical Oncology, 2012Intensity-modulated radiotherapy (IMRT) is a newer method of radiotherapy that uses intensity-modulated beams that can provide multiple intensity levels for any single beam direction and any single source position allowing concave dose distributions and dose gradients with narrower margins than those possible using conventional methods.
D P, D'Souza +4 more
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Intensity-modulated radiotherapy for lymphoma involving the mediastinum
International Journal of Radiation Oncology*Biology*Physics, 2005To determine the feasibility, potential advantage, and indications for intensity-modulated radiotherapy (IMRT) in the treatment of Hodgkin's lymphoma or non-Hodgkin's lymphoma involving excessively large mediastinal disease volumes or requiring repeat RT.Sixteen patients with Hodgkin's lymphoma (n = 11) or non-Hodgkin's lymphoma (n = 5) undergoing ...
Karyn A, Goodman +4 more
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[Saliva and intensity modulated radiotherapy].
Nederlands tijdschrift voor tandheelkunde, 2008A dry mouth (xerostomia) is a serious side effect for head and neck cancer patients treated with radiotherapy. The degree of xerostomia is dependent on the dosage in the parotid glands. New, advanced radiation techniques, such as intensity-modulated radiotherapy, can reduce the dosage in the parotid glands, resulting in a significant improvement in the
J M, Roesink +2 more
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Advances in Treatment with Intensity-Modulated Conformal Radiotherapy
Tumori Journal, 1998The modern practice of radiotherapy centres on the development of conformai radiotherapy, techniques to ensure the high-dose volume is tightly wrapped around the diseased tissue and excluded as far as possible from adjacent normal structures. The development of conformai radiotherapy is a chain of processes involving treatment planning, development of ...
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Conformal radiotherapy, intensity-modulated radiotherapy and image-guided radiotherapy
2008The aim of radiotherapy is to deliver the desired tumoricidal dose to the intended target as accurately and reliably as possible and avoid unnecessary dose to surrounding normal tissues. This principle was recognized when irradiation was utilized therapeutically over 100 years ago and has been the guiding force for development and refinement of modern ...
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