Figure 2
From: Predictive factors of prognosis after radiation and steroid pulse therapy in thyroid eye disease

Definition of ROI and representative cases of high and low SD. The ROI was placed along the perimeter of the greatest enlarged extraocular muscle in a coronal section T2WI, and the SD of the inside signal intensity was measured. (a) A representative case of high SD. (b) A representative case of low SD. ROI, region of interest; SD, standard deviation; T2WI, T2-weighted image.