Damage from demyelination can develop in the brain and spinal cord. When a damaged area is visible on a scan, it is known as a lesion. Sometimes, people with MS remain in a stable condition ...

Two months after the bone scan, CT-guided biopsy of the thoracic spine lesion confirmed plasmacytoma, which was negative for CD20 but positive for CD79a with lambda light chain restriction.

(B) T2-weighted (T2w) MR sagittal and axial images showing spinal lesion. (C) Early PET sagittal images showing high PET signal in cord around injury and quantification 0–10-min SUV at selected ...