<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Gold markers (GM) are increasingly used for CT and MRI registration during in intensity-modulated radiation therapy for prostate cancer. Additionally, diffusion-weighted imaging has been adopted to measure the effects of radiotherapy for prostate cancer, similar to tests of blood prostate-specific antigen levels. As diffusion-weighted imaging (DWI) is often affected by a magnetic component, we evaluated the influence of GM on the Diffusion weighted images in three cases. We found that the size range of signal void of GM in MRI was 2–5 mm. We conclude that a GM would not affect the quality of DWI in daily practice.</p></abstract>

Gold markers (GM) are increasingly used for CT and MRI registration during in intensity-modulated radiation therapy for prostate cancer. Additionally, diffusion-weighted imaging has been adopted to measure the effects of radiotherapy for prostate cancer, similar to tests of blood prostate-specific antigen levels. As diffusion-weighted imaging (DWI) is often affected by a magnetic component, we evaluated the influence of GM on the Diffusion weighted images in three cases. We found that the size range of signal void of GM in MRI was 2–5 mm. We conclude that a GM would not affect the quality of DWI in daily practice.

Influence of gold marker for magnetic resonance imaging during prostate radiotherapy

Division of Radiation Service, Gifu Municipal Hospital

Polish Journal of Medical Physics and Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Gold markers (GM) are increasingly used for CT and MRI registration during in intensity-modulated radiation therapy for prostate cancer. Additionally,...

Influence of gold marker for magnetic resonance imaging during prostate radiotherapy

Publicado en línea: 04 oct 2018

Páginas: 99 - 101

Recibido: 13 oct 2017

Aceptado: 20 jun 2018

DOI: https://doi.org/10.2478/pjmpe-2018-0013

Palabras clave
prostate cancer, radiotherapy, MRI, fiducial marker, diffusion-weighted

© 2018 Osamu Tanaka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Influence of gold marker for magnetic resonance imaging during prostate radiotherapy

Publicado en línea: 04 oct 2018

Páginas: 99 - 101

Recibido: 13 oct 2017

Aceptado: 20 jun 2018

DOI: https://doi.org/10.2478/pjmpe-2018-0013

Palabras claveprostate cancer, radiotherapy, MRI, fiducial marker, diffusion-weighted

© 2018 Osamu Tanaka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Palabras clave
prostate cancer, radiotherapy, MRI, fiducial marker, diffusion-weighted