Clinical Features of Painful Ophthalmoplegia with a High-Intensity Ring Appearance around the Optic Nerve on MRI: A Case Series

<div>.Brain MRI of case 1. (a) The lesion (arrows) is enhanced on T1-weighted image and extends into the superior orbital fissure. (b) The high-intensity ring appearance (arrowheads) around the left optic nerve is seen on short tau inversion recovery (STIR) MRI. (c) The high-intensity ring appearance has disappeared on day 21 after initiating treatment.</div>

Case Reports in Neurological Medicine

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Figure 2

Figure 2: Clinical Features of Painful Ophthalmoplegia with a High-Intensity Ring Appearance around the Optic Nerve on MRI: A Case Series 