Abstract Number: 2642 • 2019 ACR/ARP Annual Meeting
ANCA Testing: Final Diagnoses in Cases with Positive Immunofluorescence and Negative ELISA
Background/Purpose: With the widespread availability of anti-neutrophil cytoplasmic antibody (ANCA) testing, interpreting positive results has become increasingly challenging. In addition to ANCA Associated Vasculitis (AAV),…