Witryna15 sie 2024 · Respiratory‐induced motion (RIM) mainly affects the organs in the abdominal and thoracic regions (such as lungs, liver, diaphragm, etc.).8, 9In fact, RIM of the liver could range from 8 to 25 mm in one direction during shallow breathing.7, 10 Witryna31 sty 2004 · Respiratory motion is one of the most important issues to be addressed in radiotherapy. (1, 2) Respiratory motion broadens the dose distribution in the anatomy …

Respiratory Gating for Radiotherapy: Main Technical Aspects …

WitrynaTable 1 illustrates the percentage of time that the prostate spent outside the 2 mm threshold in each of the three spatial directions during the setup, delivery, and total treatment either without or with the intrafractional organ motion management. The difference in time percentages between the two scenarios is also reported. TABLE 1 Witryna21 cze 2024 · Management of organ motion is pivotal to the success of radiotherapy in many cancer sites. Particularly in the thorax and abdomen, respiratory-induced motion considerably limits the accuracy and precision when not dealt with correctly. MR-guided radiation therapy (MR-gRT) is uniquely capable of managing motion during treatment … rick grant miner institute

Dosimetric impact of intra-fraction prostate motion under a …

Witryna20 sie 2014 · We planned to evaluate organ motion in this setting injecting a hydrogel spacer to protect the anterior rectal wall during treatment. ... Langen KM, Jones DT. … Witryna10 gru 2016 · The maximum organ motion observed in the abdomen and thorax were 4.5 mm and 7.4 mm, respectively, while maximum diaphragm displacement was 5.7 … Witryna29 paź 2024 · Management of intrafraction motion is crucial to ensure successful liver SBRT so that nearby healthy tissues and critical organs can be spared. Thus, liver tumor translation, rotation and deformation should be considered in … rick grassey bmo