Conclusion: The gold seed markers can be seen clearly using the clinical 3DCBCT and 4DCBCT protocol which means the seeds can be used clinically to track the tumour position using XVI at the point of treatment delivery. S:t James’s Hospital, Leeds, UK, 2011
Tag Archives: IGRT
Conclusion: Increasingly, we must be certain of exact localization of tumor targets by using markers and IGRT. The fine-needle marker presented here allows implantation into almost any tumor site with minimal risks of internal bleeding, infection or pneumothorax and can be implanted safely and precisely using guidance with ultrasound or CT. The Gold Anchor™ is […]
Conclusion: The patient positioning using 2D/2D kV and Gold Anchors increases the setup precision and enables to reduce margins. Because the prostate motion during the course of radiotherapy can be significant, margins for the PTV should include the intrafraction prostate mobility. Poster at ESTRO 2010, poster #1674
Conclusion: Positioning of the target with orthogonal images or CBCT with the Gold Anchor fiducial marker insertion is intuitive and easily accomplished for safe positioning. Excellent accuracy and precision can be achieved without the need of positioning patients in stereotactic whole body frames. The total cost of treatments with the Gold Anchor technique is less […]
Summary: The authors selected ten different markers suitable for endoscopic placement in the pancreas and tested the visibility and artifacts of these markers on magnetic resonance imaging (MRI). They conclude that when visibility of the markers is most important, markers that contain iron [Gold Anchor] are optimal, preferably in a folded configuration. Article in Medical […]
Background and purpose: A GTV boost is suggested to result in higher complete response rates in rectal cancer patients, which is attractive for organ preservation. Fiducials may offer GTV position verification on (CB)CT, if the fiducial-GTV spatial relationship can be accurately defined on MRI. The study aim was to evaluate the MRI visibility of fiducials […]
Background (extract): The aim of this video (Video 1, available online at www.VideoGIE.org) is to describe the technique for placement of EUS-guided fiducial markers in the treatment of locally advanced PC. Conclusion (extract): The application of SBRT to locally advanced or metastatic PC usually requires the use of fiducial markers to track the precise location […]
Background: Preoperative neoadjuvant chemoradiation therapy (NACRT) is applied for resectable pancreatic cancer (RPC). To maximize the efficacy of NACRT, it is essential to ensure the accurate placement of fiducial markers for image-guided radiation. However, no standard method for delivering fiducial markers has been established to date, and the nature of RPC during NACRT remains unclear. […]
“Dose reduction potential of using gold fiducial markers for kilovoltage image-guided radiotherapy” Extract from abstract: This study aimed to evaluate the possibility of reducing the imaging dose for image-guided radiotherapy by using planar kilovoltage orthogonal imaging and [Gold Anchor] fiducial markers (kV-FM). We tested kilovoltage planar images under clinical imaging conditions for the pelvis (75 […]
“Endoscopic Ultrasound-Guided Fiducial Placement for Stereotactic Body Radiation Therapy in Patients with Pancreatic Cancer” Extract from abstract: Accurate delivery of stereotactic body radiotherapy (SBRT) to pancreatic tumors relies on successful EUS-guided placement of fiducial markers. …A retrospective chart review was performed for all (n = 82) PC patients referred for EUS-guided fiducial placement by a single endosonographer […]
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