michael habermann applications of cbm-root simulation of a medical probe for tumor localization
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Michael Habermann
Applications of CBM-Root
Simulation of a medical probe for tumor localization.
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Michael Habermann
Overview
• GF&E
• Medical Aspects
• Our Approach
• Phantom Simulations
• Electronic Simulation
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Michael Habermann
Gesellschaft für Forschungs- und Entwicklungsservice mbH
GF&E delivers physical-technical R&D-services. Our goal ist to apply and transfer key-technologies – especially from GSI developed methods, techniques and qualifications.
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Michael Habermann
Positron Emission Tomography
• Uses 18F (β+-Emitter, λ=110 minutes)
• 18F is attached to tracer (Glucose)
• Glucose is enriched in body parts with high energy intake
• Tumors need much energy to grow fast
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Michael Habermann
Conventional Low Energy Probewith 99mTc
Water 1 kBq/mlTumor
10kBq/ml
DetektorKollimator
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Michael Habermann
Conventional Low Energy Probewith 18F
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Michael Habermann
Electronic Collimation
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Michael Habermann
Our Design
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Michael Habermann
γ-Locator DXI
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Michael Habermann
Phantom-Measurements
Sphere
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Michael Habermann
Phantom-Measurements
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Michael Habermann
Real Scenario
t=20
10
1:6:12
20
60
30
99Tc
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Michael Habermann
CBMRoot-Simulation
CBMRootSimulation(Cint-C++)
Scenario Description(Cint-C++/
CBMRoot-Text-Files)
Geant3
ROOTDatabase Files
CBMRoot
Algorithms(ANSI-C/Cint-C)
Analyzer Script(Cint-C++)
AnalysisPostcript files
Probe Application Software
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Michael Habermann
Implementation
+virtual ReadEvent()
CBMGenerator
+virtual SetActivityConcentration()+virtual GetActivity()+virtual GetVolume()#virtual GetRandomVertex()
-PointSource : CBMParticleGenerator
YlocGeometryGenerator
-Energy-Type
CBMParticleGenerator
-Dimensions-Activity
YlocBoxGenerator
-Dimensions-Activity
YlocSphereGenerator
-Dimensions-Activity
YlocCylinderGenerator
-Nuclide : CBMParticleGenerator
YlocPhotonPairGenerator
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Michael Habermann
Data analysis
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Michael Habermann
Data analysis
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Michael Habermann
Summary
• No redundance of application sourcecode for simulation
• Easy adaption of scenarios through text files
• Use of ROOT for presentation of analysis results