Abstract Number: 450 • 2019 ACR/ARP Annual Meeting
ACPA-positive versus ACPA-negative Rheumatoid Arthritis: Two Distinct Erosive Disease Entities on Radiography and Ultrasonography
Background/Purpose: Several studies have shown that ACPA-positive (ACPA+) patients were more likely to develop erosive disease on radiography (RX) than ACPA-negative (ACPA-) patients, but it…