Finite element modeling of haptic thermography: A novel approach for brain tumor detection during minimally invasive neurosurgery.
Identifieur interne : 003D69 ( Ncbi/Curation ); précédent : 003D68; suivant : 003D70Finite element modeling of haptic thermography: A novel approach for brain tumor detection during minimally invasive neurosurgery.
Auteurs : Moslem Sadeghi-Goughari [Iran] ; Afsaneh Mojra [Iran]Source :
- Journal of thermal biology [ 0306-4565 ] ; 2015.
Abstract
Intraoperative Thermal Imaging (ITI) is a novel neuroimaging method that can potentially locate tissue abnormalities and hence improves surgeon's diagnostic ability. In the present study, thermography technique coupled with artificial tactile sensing method called "haptic thermography" is utilized to investigate the presence of an abnormal object as a tumor with an elevated temperature relative to the normal tissue in the brain. The brain tissue is characterized as a hyper-viscoelastic material to be descriptive of mechanical behavior of the brain tissue during tactile palpation. Based on a finite element approach, Magnetic Resonance Imaging (MRI) data of a patient diagnosed to have a brain tumor is utilized to simulate and analyze the capability of haptic thermography in detection and localization of brain tumor. Steady-state thermal results prove that temperature distribution is an appropriate outcome of haptic thermography for the superficial tumors while heat flux distribution can be used as an extra thermal result for deeply located tumors.
DOI: 10.1016/j.jtherbio.2015.08.011
PubMed: 26590456
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