Three Dimensional Reconstruciton of the Human Inner Ear by Magnetic Resonance Imaging

概要

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In comparison with computed tomography (CT), magnetic resonance imaging (MRI) offers high spatial resolution without bone artifacts. Accordingly, MRI has the potential to image the soft tissue of the human inner ear which is surrounded by the temporal bone.<BR>In the present study we combined a 2.11 T MRI and personal computer aided three-dimensional (3-D) reconstruction system to obtain 3-D reconstructed images of the human inner ear. All key structures of the inner ear were visualized precisely. We could rotate the reconstructed images in any direction and understand the spatial relationship of each inner ear structure intuitively.<BR>Computer-aided 3-D reconstruction from histological sections of the temporal bone is a useful way to demonstrate the complex spatial structures of the inner ear. The results suggest that MRI combined with 3-D reconstruction can provide 3-D reconstructed images similar to those obtained by histological sectioning and can be used clinically to detect small lesion of the inner ear.
日本めまい平衡医学会の論文