Concept

Radiothérapie externe

Publications associées (51)

Cyclinac medical accelerators using pulsed C6+/H + 2 ion sources

Charged particle therapy, or so-called hadrontherapy, is developing very rapidly. There is large pressure on the scientific community to deliver dedicated accelerators, providing the best possible treatment modalities at the lowest cost. In this context, t ...

2010

Targeting integrins in malignant glioma

The integrin family of cell adhesion receptors is emerging as a promising target of anticancer therapy. AlphaVbeta3 and alphaVbeta5 integrins are overexpressed on both glioma cells and tumor vasculature. Cilengitide, the most advanced specific integrin inh ...

2010

Exporting Contours to DICOM-RT Structure Set

Jean-Philippe Thiran, Meritxell Bach Cuadra, Subrahmanyam Venkata Ravi Mohana Sai Gorthi

This paper presents an ITK implementation for exporting the contours of the automated segmentation results to DICOM-RT Structure Set format. The “radiotherapy structure set” (RTSTRUCT) object of the DICOM standard is used for the transfer of patient struct ...

2009

Model-based Segmentation and Image Fusion of 3D Computed Tomography and 3D Ultrasound of the Eye for Radiotherapy Planning

Jean-Philippe Thiran, Meritxell Bach Cuadra, Subrahmanyam Venkata Ravi Mohana Sai Gorthi, Alessia Pica

For radiotherapy treatment planning of retinoblastoma in childhood, Computed Tomography (CT) represents the standard method for tumor volume delineation, despite some inherent limitations. CT scan is very useful in providing information on physical density ...

2009

Focus/detector system of an x-ray apparatus for generating phase contrast recordings

Christian David

A focus/detector system of an X-ray apparatus and a method for generating projective or tomographic phase contrast recordings, are disclosed. In an embodiment of the system, the system includes a beam source equipped with a focus and a focus-side source gr ...

2007

Absolute depth-dose-rate measurements for an 192Ir HDR brachytherapy source in water using MOSFET detectors

Rakesh Chawla

Reported MOSFET measurements concern mostly external radiotherapy and in vivo dosimetry. In this paper, we apply the technique for absolute dosimetry in the context of HDR brachytherapy using an 192Ir source. Measured radial dose rate distributions in wate ...

AIP for American Assoc. Phys. Med2006

An Approach to Multimodal Image Segmentation

Dominique Zosso

Radiotherapy treatment planning requires exact delineation of tumors in acquired images. Further, motion and deformation of a tumor due to respiratory movements must be known in order to better target and dose the treatment radiation. Here we present and i ...

2006

Electron beam lithography with negative Calixarene resists on dense materials: Taking advantage of proximity effects of increase pattern density

Paul Muralt, Simon Bühlmann

A high-resolution negative Calixarene resist has been used to pattern 2-nm-thick Ti O2 films on 50-nm-thick Pt layers by electron beam lithography, in order to carry out site controlled growth of Pb (Zr,Ti) O3 structures. Single dot structures have been wr ...

2005

Automatic Segmentation of Brain Structures for Radiation Therapy Planning

Valérie Duay, Benoît Macq

Delineation of structures to irradiate (the tumors) as well as structures to be spared (e.g., optic nerve, brainstem, or eyes) is required for advanced radiotherapy techniques. Due to a lack of time and the number of patients to be treated these cannot alw ...

SPIE2003

High intensity cyclotrons for driving hybrid nuclear systems

Nicolas Fietier

"Several cyclotron-based high intensity accelerators have been studied in the framework of the Energy Amplifier (EA) project proposed by Prof. C. Rubbia [1]. Among them, two basic designs are presented: a 380 MeV separated sector cyclotron delivering a hig ...

1998

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