Fig.: T1 axial MR image through the mid face obtained at 1.5T. Anatomical labelling is shown on the left side of the image. The anatomical spaces are identified on the right – the masseteric space (dark blue) is highlighted in relation to the other surrounding anatomical regions.
Fig.: T1 coronal MR image through the mid face obtained at 1.5T. The masseteric space (blue) is shown to be a sub-section of the overall masticator space shown in red.