A 10-Year-Old Girl Presented with Lilac or Heliotrope Discoloration of the Upper

question 7

Multiple Choice

A 10-year-old girl presented with lilac or heliotrope discoloration of the upper eyelids, muscle weakness, and dusky red patches over the knuckles, elbows, and knees. Which antibody was most likely found in this patient's blood?

• A) Anti-histidyl-t-RNA synthetase
• B) Anti-double-stranded DNA
• C) Anti-single-stranded DNA
• D) Anti-topoisomerase
• E) Anti-ribonucleoprotein antibody SS-A (Ro)