Книга: Jan Seppala «Intensity-Modulated RadioTherapy (IMRT)»
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Производитель: "LAP Lambert Academic Publishing" The use of intensity-modulated radiotherapy (IMRT) has increased extensively in the modern radiotherapy treatments over the past two decades. Radiation dose distributions can be delivered with higher conformality with IMRT when compared to the conventional 3D-conformal radiotherapy (3D-CRT). This study evaluated the dosimetric limitations and possibilities of IMRT in small (treatments of head-and-neck, prostate and lung cancer) and large volumes (primitive neuroectodermal tumours). The dose coverage of target volumes and the sparing of critical organs were increased with IMRT when compared to 3D-CRT. The beam modulation in the IMRT treatments is realized by splitting a large radiation field to small apertures. A direct aperture based optimization technique was examined as a solution to decrease the IMRT treatment complexity. With direct optimization the effective field sizes were increased and the number of MUs was reduced with a factor of two. The optimality of a treatment plan... ISBN:9783659207006 Издательство: "LAP Lambert Academic Publishing" (2012)
ISBN: 9783659207006 |
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См. также в других словарях:
intensity-modulated radiotherapy — IMRT radiotherapy that enables high doses of radiation to be delivered to a malignant tumour without damaging surrounding healthy tissues and organs. It can be used to treat a wide range of cancers (including prostate cancer) … The new mediacal dictionary
IMRT — Intensity Modulated Radiation Therapy (Medical » Physiology) *** Intensity Modulated Radiotherapy (Medical » Oncology) … Abbreviations dictionary
IMRT — intensity modulated radiotherapy … Medical dictionary
IMRT — • intensity modulated radiotherapy … Dictionary of medical acronyms & abbreviations
IMRT — see intensity modulated radiotherapy … The new mediacal dictionary
External beam radiotherapy — otherwise known as teletherapy, is the most frequently used form of radiotherapy. The patient sits or lies on a couch and an external source of radiation is pointed at a particular part of the body. Kilovoltage (also known as Superficial or Deep) … Wikipedia
