PMC7849863_01
Orbital CT scan with contrast showing homogeneous elliptic shaped enlargement of the right inferior rectus muscle, which faintly enhanced post contrast injection. It measure 1.6 1.1 0.7 cm in anteroposterior, transverse and craniocaudal dimension. In addition, there was minimal proptosis
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F1
In addition, there was minimal proptosis [Figure 1].
Orbital MRI showing diffuse uniform enlargement of the right inferior rectus
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F2
The remaining orbital anatomical structures showed normal signal characteristics [Figure 2].
Postoperative images of our patient looking in different directions as indicated by the arrow in each image (b-i) with the exception of (a) where the patient is looking in the primary gaze position
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F3
His symptoms improved dramatically after surgery although he continued to see the double vision when he looked upward [Figure 3].