Collateral Thermal Effect of MRI-LINAC Gradient Coils on Metallic Hip Prostheses

Luca Zilberti, Oriano Bottauscio, Mario Chiampi, Jeffrey Hand, Hector Sanchez Lopez, Stuart Crozier

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


This paper aims at evaluating the thermal effects produced by the gradient coils on patients carrying metallic hip prostheses when undergoing check-up in combined magnetic resonance imaging with a linear accelerator systems. The computations are performed by two noncommercial codes specifically developed by the authors for voxel based human models. The electromagnetic field problem is solved by a hybrid finite element-boundary element technique implemented in a massively parallelized GPU system. The temperature elevation due to the electromagnetic exposure is then evaluated through a finite element code. The computations are performed for a large number of situations, considering both radial and axial arrangements of the patient.
Original languageEnglish
Article number5101704
Pages (from-to)1-4
Number of pages4
Issue number11
Publication statusPublished - 1 Nov 2014


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