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FIG 5. Sagittal MR images of the ulnar nerve with the elbow flexed to 125°.
A, This most medial section shows that the nerve is isointense to muscle in the upper arm, but at the level of the condyle (arrow) signal intensity increases as the nerve rotates toward 55°.
B, Middle section shows the nerve (arrow) perpendicular to B0 where it is isointense to muscle.
C, Lateral section shows the nerve (arrows) at 125° to B0 where it is hyperintense to muscle.
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