![]() Once the patient is appropriately positioned, the therapists will remove air from the vac lock bag, and doing so will create a mold/outline of the patient’s body contour for treatment reproducibility. There are pegs at the head of the table for the patient to grab onto. ![]() The patient will lie on the table to which an inflated vac lock bag is attached. Patients are simulated in the supine position. ![]() If the seeds are moved out of range from their point of reference, the beam will shut off in the midst of treatment. Fiducials are tiny gold seeds that are inserted into the prostate to track intra-fractional motion of the prostate during the course of treatment. SpaceOAR is a polyethylene hydrogel solution that is injected between the prostate and the rectum, and will create “space” between the prostate-rectal interface to minimize potential side effects to the rectum. SimulationĪbout two weeks prior to the CT simulation, patients may be required for a SpaceOAR and/or fiducial insertion. It is required to delineate the target volume and will help identify organs at risk such as the penile bulb and the neurovascular bundle. You will need to import an MRI scan for all prostate plans unless otherwise specified by the physician. Certain patients may qualify as candidates for prostate SBRT in which 36.25 Gy is treated in 5 fx to only the prostate. A sequential boost follows commonly treating just the prostate with 28 Gy in 14 fx, totaling 78 Gy. Prostate cases are commonly seen with a prescription of 50 Gy to the prostate and seminal vesicles, and 45 Gy to the nodes if nodes are involved, in 25 fx. If you found this content informative and/or insightful, you can follow DOSEPEDIA via E-mail on the right hand side under ‘DON’T MISS OUT!’ for more content like this to come.Ģ Minute Tutorials: VMAT Prostate & Lymph Nodes Planning Download the video and use a third party video player (e.g., VLC) to the decrease video speed.Play the video on the Firefox browser and right click the video to decrease video speed.Download the ‘Video Speed Controller’ extension for the Chrome browser.If the video speed and/or captions move too fast:
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |