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A Framework for the Generation of Realistic Brain Tumor Phantoms and Applications

  • Jan Rexilius
  • Horst K. Hahn
  • Mathias Schlüter
  • Sven Kohle
  • Holger Bourquain
  • Joachim Böttcher
  • Heinz-Otto Peitgen
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3217)

Abstract

A quantitative analysis of brain tumors is an important factor that can have direct impact on a patient’s prognosis and treatment. In order to achieve clinical relevance, reproducibility and especially accuracy of a proposed method have to be tested. We propose a framework for the generation of realistic digital phantoms of brain tumors of known volumes and their incorporation into an MR dataset of a healthy volunteer. Deformations that occur due to tumor growth inside the brain are simulated by means of a biomechanical model. Furthermore, a model for the amount of edema at each voxel is included as well as a simulation of contrast enhancement, which provides us with an additional characterization of the tumor. A “ground truth” is generally not available for brain tumors. Our proposed framework provides a flexible tool to generate representative datasets with known ground truth, which is essential for the validation and comparison of current and new quantitative approaches. Experiments are carried out using a semi-automated volumetry approach for a set of generated tumor datasets.

Keywords

Brain Tumor Ground Truth Biomechanical Model Tissue Class Extracellular Volume Fraction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Jan Rexilius
    • 1
  • Horst K. Hahn
    • 1
  • Mathias Schlüter
    • 1
  • Sven Kohle
    • 1
  • Holger Bourquain
    • 1
  • Joachim Böttcher
    • 2
  • Heinz-Otto Peitgen
    • 1
  1. 1.MeVis – Center for Medical Diagnostic Systems and VisualizationBremenGermany
  2. 2.Department of Diagnostic and Interventional RadiologyUniversity of JenaGermany

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