Design And Fabrication Of Multipurpose Smart PhantomudFor Positron Emission Tomography/Computed TomographyudImagingud

摘要

Phantom studies are an important part in medical imaging as it can evaluate theudperformance and quality assurance (QA) test of dual-modality PET/CT. The purpose ofudthis study is to, design, fabricate and develop a multipurpose smart phantom whichudincludes the internal structures, water, human tissue equivalent materials and radioactiveudsource for dual-modality Positron Emission Tomography/Computed Tomographyud(PET/CT) imaging. In this study, experimental determination of Hounsfield units (HU),udmass attenuation coefficient, elemental composition analysis and structure analysis wereudperformed on phantom materials using PET/CT scanner, Multichannel Analyser (MCA),udCI-INS analyser and Scanning Electron MicroscopelEnergy Dispersive X-Rayud(SEMlEDX) respectively.udKajian fantom adalah bahagian yang penting dalam pengimejan perubatan kerana iauddapat menilai pedaksanaan dan ujian jaminan kualiti (QA) dwi-modaliti TomografiudPancaran Positronffomografi Berkomputer {PETtCT). Tujuan kajian ini adalah untukudmerekabentuk, memfabrikasi dan membangunkan fantom pintar pelbagai tujuan yangudtermasuk struktur dalaman, air, bahan-bahan setara dengan tisu manusia dan sumberudradioaktif untuk pengimejan dwi-modaliti PETtCT. Dalam kajian ini, penentuan secaraudeksperimen Unit Hounsfield (HU), pekali atenuasi jisim, analisis komposisi elemen danudanalisis struktur telah dilakukan terhadap bahan-bahan fantom menggunakan PETtCTudskan, Penganalisis Berbilang Saluran (MCA), Penganalis CHNS dan Pengimbasud-Mikroskop ElektronIKeselerakan Tenaga X-ray (SEMlEDX) masing-masing.