Clinical features of juvenile onset ankylosing spondylitis in Japanese patients.
Kenji KishimotoShuji AsaiMochihito SuzukiRyo SatoJunya HasegawaKenya TerabeShiro ImagamaPublished in: Modern rheumatology (2024)
Sites of initial symptoms were frequently the back, hip, and knees, with 52.9% of patients having initial symptoms limited to extra-axial joints. More than half of the patients were recognised musculoskeletal diseases other than AS.