A 50-year-old man comes to the physician with hemoptysis and diffuse joint pain. He states that both his father and cousin had similar symptoms and we

Subject
Medicine
System
Allergy & Immunology

Kathryn

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Jul 29, 2020
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A 50-year-old man comes to the physician with hemoptysis and diffuse joint pain. He states that both his father and cousin had similar symptoms and were diagnosed with microscopic polyangiitis, a disease affecting medium-to small-sized arteries that is believed to have an autoimmune component to its pathogenesis. Which of the following autoantibodies might be present in this patient?
(A) Anticentromere antibodies
(B) Antineutrophil cytoplasmic autoantibodies
(C) Anti-Smith antibodies
(D) Anti-SS-A (Ro) antibody
(E) Anti-SS-B (La) antibody
 
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