Question 330 · LEK · Systemic sclerosis
Antinuclear antibodies specific for Scl-70 antigen are present in patients with:
- A. systemic lupus erythematosus.
- B. seronegative spondyloarthropathy.
- C. pseudogout caused by calcium pyrophosphate.
- D. rheumatoid arthritis.
- E. systemic sclerosis.
Hint
Scl-70 is DNA topoisomerase I; ask which connective tissue disease the abbreviation 'Scl' refers to.
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