JAMES CHENG-CHUNG WEI2026-10-162026-10-162023-02-01Pure ID: 15009386Pure UUID: f2e64bef-1ee5-4256-9606-d54f418c4e2610.1111/1756-185X.14486https://www.scopus.com/pages/publications/85141386159https://scholars.csmu.edu.tw/handle/123456789/30843We present the case of a patient diagnosed with ankylosing spondylitis (AS) along with Kikuchi–Fujimoto disease (KFD), possibly triggered by infection or autoimmunity. Both AS and KFD involved a similar immune pathway. Hence, clinicians should consider the possibility of KFD when lymphadenopathy is observed, especially in patients with infection or underlying autoimmune diseases.3enjournal article