Agreement Between Knee Radiography and Knee Ultrasonography in the Detection of Osteophyte (Spur) Formation and Joint Space Narrowing in Knee Osteoarthritis: A Cross-Sectional Study at Gatot Soebroto Central Army Hospital, Indonesia, August-September 2026
Background: Knee osteoarthritis (OA) is one of the most common degenerative joint diseases among adult and older populations, with osteophyte (spur) formation and joint space narrowing (JSN) as its two principal radiological hallmarks. Conventional radiography remains the standard imaging modality but is limited by its...