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. 2022 Jun 17;260(11):3419–3435. doi: 10.1007/s00417-022-05727-1

Fig. 5.

Fig. 5

Signal Intensity ratio. Normal coronal T2-weighted MRI (A) showing the signal intensity ratio of the extraocular muscle and brain white mater. Coronal T2-weighted MRI (B) in a patient with active TED involving the left inferior and medial rectus muscles showing the signal intensity ratio between the inflamed left medial rectus and brain white mater