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. 2018 Nov 9;11:325–331. doi: 10.2147/IMCRJ.S177671

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© 2018 Kozaki et al. This work is published and licensed by Dove Medical Press Limited

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Case 1: Pretreatment: The top left image shows T1-weighted MRI sagittal sections. Enlargement of the LPS muscle (arrow) and swelling of eyelid fat (arrowhead) are observable in the right eye, but not in the left eye (top right). Bottom image shows high-intensity signal in the LPS muscle (arrow) on a T2-weighted fat-suppressed image. Eight months posttreatment: Top left image shows that enlargement of the LPS muscle (arrow) was reduced and swelling of fat tissue (arrowhead) was not apparent. Bottom image shows that high-intensity signal in the LPS muscle (arrow) disappeared. Case 2: Pretreatment: Top right image shows mild enlargement of the LPS muscle (arrow) and mild swelling of eyelid fat (arrowhead) in the left eye. Bottom images show high-intensity signal in the LPS muscle (arrow) on a T2-weighted fat-suppressed image. Eight months posttreatment: Top right image shows that the LPS muscle (arrow) enlargement tended to improve slightly and fat tissue (arrowhead) swelling was not observable. Bottom image shows that high-intensity signal in the LPS muscle (arrow) disappeared. Case 3: Pretreatment: Top image shows enlargement of the LPS muscle (arrow) and swelling of fat tissue (arrowhead) in both eyes. Bottom shows high-intensity signals in the LPS muscle (arrow) on T2-weighted fat-suppressed image. Six months posttreatment: Top image shows improvement of enlargement of the LPS muscle (arrow) and swelling of fat tissue (arrowhead). Bottom image shows that high-intensity signals in the LPS muscle (arrow) disappeared on a T2-weighted fat-suppressed image.

Abbreviation: LPS, levator palpebrae superioris.