Quadriplegia in a case of known rheumatoid arthritis.

Rheumatoid arthritis often involves the axial skeleton. Rheumatoid nodule, often a manifestation of rheumatoid arthritis may be present in 20-30% of patients of rheumatoid arthritis. A 69-year-old male was presented with weakness of all the four limbs. He had history of rheumatoid arthritis for last 10 years. On examination, a soft cystic non-compressible lump was found over sacrum. Histopathological examination of the lump showed some changes which were consistent with the changes occur in rheumatoid nodule. The patient was treated conservatively and keeping well after 3 months of follow-up.