Primary extradural non-hodgkin's lymphoma
A 67-year-old male first presented with back pain and progressive weakness of both lower limbs of 3 months duration with loss of bowel and bladder control since 1 month. On examination, patient was in poor general condition. There was no peripheral lymphadenopathy and was normalon systemic examination. There was a laminectomy scar in dorsal region. Central nervous systemic examination revealed decreased power in both lower limbs with decreased sensation over both feet. Patient was with indwelling Foley's catheter. The whole body positron emission tomography (PET)/CT was performed, which showed an Fluorine18 Fluorodeoxyglucose (FDG) avid soft-tissue lesion in the spinal canal extending from D4 to D12 level causing cord compression []. Whereas, magnetic resonance imaging spine showed a large extradural soft-tissue mass in the spinal canal from D4 to D11/D12 level compromising and deforming cord and causing significant canal stenosis. Bone marrow examination revealed no Infiltration with NHL.