
Keywords: NSAID، داروهای ضد التهابی غیر استروئید; FS, fat suppressed; iaOO, intra-articular osteoid osteoma; NSAID, non-steroidal anti-inflammatory drugs; PD, proton density; TSE, turbo spin echoIntra-articular osteoid osteoma; Magnetic resonance imaging; Arthroscopy; Proximal tibia