Pic Of The Day – Giant Cell Tumor of The Spine
This 25-years old woman presented with radiculopathy and back pain. The MRI shows an expansile T2 low signal lesion involving L1 with canal compromise. There is minimal marrow edema and the discs are not involved.
As with all such lesions in young people, she was labeled to have tuberculosis.
Given that the discs are not involved and that the marrow edema is minimal and that the lesion is expansile, a primary bone neoplasm should be considered. At this age, the most likely T2 low signal lesion would be a giant cell tumor.
The CT scan shows an expansile lesion with well defined margins, but without a sclerotic rim. The biopsy confirmed a giant cell tumor.
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