<unk>  is inflammation within the sacroiliac joint. It is a feature of spondyloarthropathies, such as axial spondyloarthritis (including ankylosing spondylitis), psoriatic arthritis, reactive arthritis or arthritis related to inflammatory bowel diseases, including ulcerative colitis or Crohn's disease. It is also the most common presentation of arthritis from brucellosis.
Sacroiliitis
Knee arthritis
Shoulder arthritis
Epicondylitis
Sprain
Femoral hernia
Osteochondritis
Back strain