Radiation plexopathy. Radiation plexopathy. A 67-year-old woman with a history of left breast carcinoma and radiation treatment 20 years ago who presented.

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Presentation transcript:

Radiation plexopathy. Radiation plexopathy. A 67-year-old woman with a history of left breast carcinoma and radiation treatment 20 years ago who presented with weakness and pain in the left upper extremity. Coronal MIP 3D STIR SPACE (A) image shows diffusely enlarged and abnormally hyperintense left C8 and T1 nerve roots and lower trunk (arrows). Corresponding coronal fat-suppressed postcontrast T1-weighted (B) image shows no focal enhancement (arrows) to suggest recurrent disease. Axial non-fat-suppressed T1-weighted (C) image shows perineural radiation fibrosis encasing the left C8/T1 nerve roots and the lower trunk of the brachial plexus (arrows). A. Chhabra et al. AJNR Am J Neuroradiol 2013;34:486-497 ©2013 by American Society of Neuroradiology