Publication: Adquisición de datos y control para tomógrafo SPECT de animales de laboratorio
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2012-07
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2012-07-11
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Abstract
El presente proyecto se enmarca dentro del desarrollo de un prototipo de tomógrafo SPECT (Single Photon Emission Computed Tompography), denominado FSPECT (Fast-SPECT), para pequeños animales de laboratorio. Este trabajo ha sido realizado en el Laboratorio de Imagen Médica del Hospital General Universitario Gregorio Marañón (Madrid, España) con la colaboración de la empresa SEDECAL (Madrid, España). El proyecto tiene como objetivo el desarrollo del software de adquisición de datos apropiado para el manejo y control de todos los elementos del prototipo. Su finalidad es que cualquier futuro usuario pueda configurar los parámetros de ejecución del estudio tomográfico deseado, mediante unos determinados argumentos de entrada, para obtener como resultado final los archivos necesarios para la reconstrucción de la imagen SPECT. La memoria se ha estructurado en nueve capítulos. Inicialmente se detallan los objetivos del proyecto y una introducción teórica sobre la medicina nuclear, centrándose en la modalidad de imagen médica SPECT y sus aplicaciones en animales de laboratorio. En los capítulos siguientes se describen las características y los componentes del prototipo FSPECT, y los detalles de implementación del software de adquisición. Para finalizar, se presentan las conclusiones y líneas futuras del proyecto, su presupuesto, el listado de acrónimos empleados en la memoria y un anexo donde se describe el proceso de montaje de las gamma-cámaras utilizadas en este prototipo. _________________________________________________________________________________________________________________
This work is part of a wider project which aims to develop a small-animal SPECT (Single Photon Emission Computed Tomography) system named FSPECT (Fast-SPECT). The tasks associated with the work described in this document have been carried out in the Medical Imaging Lab of the Gregorio Marañon Hospital (Madrid, Spain), in collaboration with the company SEDECAL S.A. (Madrid, Spain). The main objective of this project has been the design and development of the low-level acquisition software of the FSPECT system. The functionality of this software is to allow the users to acquire data using the FSPECT in a different set of typical protocols which are specified to the program by using a set of command line arguments. The result of the execution of this software is a set of output files which allows to obtain SPECT images. This document has been structured in 9 chapters: The first one details the main goals of the project and provide a comprehensive explanation about the theoretical concepts that the reader has to know about Nuclear Medicine, and the application of SPECT in small laboratory animals. The next chapters, describe the main components of the FSPECT prototype and how the implemented software is able to manage them to implement the required acquisition protocols. In the last to chapters, some results, conclusions and future lines are presented. In the final part of the document, a chapter detailing the budget of this project has been included together with an appendix explaining the assembly process of the gamma cameras used in the FSPECT system.
This work is part of a wider project which aims to develop a small-animal SPECT (Single Photon Emission Computed Tomography) system named FSPECT (Fast-SPECT). The tasks associated with the work described in this document have been carried out in the Medical Imaging Lab of the Gregorio Marañon Hospital (Madrid, Spain), in collaboration with the company SEDECAL S.A. (Madrid, Spain). The main objective of this project has been the design and development of the low-level acquisition software of the FSPECT system. The functionality of this software is to allow the users to acquire data using the FSPECT in a different set of typical protocols which are specified to the program by using a set of command line arguments. The result of the execution of this software is a set of output files which allows to obtain SPECT images. This document has been structured in 9 chapters: The first one details the main goals of the project and provide a comprehensive explanation about the theoretical concepts that the reader has to know about Nuclear Medicine, and the application of SPECT in small laboratory animals. The next chapters, describe the main components of the FSPECT prototype and how the implemented software is able to manage them to implement the required acquisition protocols. In the last to chapters, some results, conclusions and future lines are presented. In the final part of the document, a chapter detailing the budget of this project has been included together with an appendix explaining the assembly process of the gamma cameras used in the FSPECT system.
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Keywords
Tomógrafos, Proceso de imágenes, Desarrollo de software, Medicina nuclear, Imagen médica, Experimentación animal