Thyroid Eye Disease: Great Images of Orbit and Swollen Eye Muscles

Thyroid Eye Disease: Great Images of Orbit and Swollen Eye Muscles

Thyroid Eye Disease: Great Images of Orbit and Swollen Eye Muscles

Thyroid Eye Disease: Great Images of Orbit and Swollen Eye Muscle

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Figure 1. 59-year-old female patient with diagnosis of clinically active Graves’ orbitopathy. (A) Axial T2 FRFSE MR image of orbits without contrast shows marked bilateral exophthalmos as indicated by interzygomatic line (blue line) and Hertel-index (perpendicular white lines). This image shows also the largest diameters (yellow lines) perpendicular to long axis of medial and lateral rectus muscles in both orbits. (B) Unenhanced T1 FSE coronal image of orbits shows the transverse sections of the thickest extraocular muscles in both orbits (arrows). (C) and (D) Unenhanced T1 FSE sagittal images parallel to optic nerve show corresponding maximal diameters (yellow lines) for inferior rectus muscle and for superior muscle group of right (C) and left (D) orbit.
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