Frequency and clinical relevance of anti-cyclic citrullinated peptide antibody in idiopathic interstitial pneumonias

Although anti-cyclic citrullinated peptide antibody (ACPA) is highly specific for rheumatoid arthritis (RA), some patients with idiopathic interstitial pneumonia (IIP) are ACPA-positive, but do not fulfill the diagnostic criteria for RA. The clinical significance of ACPA in such patients is as yet unclear.

Source: Respiratory Medicine - June 17, 2019 Category: Respiratory Medicine Authors: Mineo Katsumata, Hironao Hozumi, Hideki Yasui, Yuzo Suzuki, Masato Kono, Masato Karayama, Kazuki Furuhashi, Noriyuki Enomoto, Tomoyuki Fujisawa, Naoki Inui, Yutaro Nakamura, Takafumi Suda Source Type: research