MS-3096

MS-3096

A 50-year-old woman presents to the clinic with complaints of muscle aches that have been ongoing for more than a year. She reports that her chest and back are more affected than her limbs. She also mentions experiencing shortness of breath every 3 months. The patient leads a healthy lifestyle and does not drink or smoke.

During the physical examination, the doctor observes a flat erythematous rash on the patient’s torso and purple discoloration around her eyelids, which she has had for a long time. What is the antibody associated with this patient’s condition?