PMC7725127_01
Axial T1 MRI at the level of T10-T11, revealing a pathologic cord signal with a hypointense center and peripheral ring enhancement, suggestive of development of the "target sign."
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T11 level. The etiology of this new lesion was unclear and a thoracic MRI with and without contrast was completed and showed a pathologic cord signal with expansion and abnormal enhancement involving T7-T12 (Figures 1 and 2). The differential diagnoses at this time included transverse myelitis, recurrent lymphoma, cord infarction, or neoplasm.
Sagittal T1 Flair MRI demonstrating pathologic cord enhancement from T7-T12.
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T11 level. The etiology of this new lesion was unclear and a thoracic MRI with and without contrast was completed and showed a pathologic cord signal with expansion and abnormal enhancement involving T7-T12 (Figures 1 and 2). The differential diagnoses at this time included transverse myelitis, recurrent lymphoma, cord infarction, or neoplasm.