PPT Slide
f. Seronegative spondyloarthropathies
- RA--usually not until late in course of disease
- Ankylosing spondylitis
- Psoriatic arthritis
g. Primary SI tumor
- Rare and usually synovial villoadenomas
h. Iatrogenic instability
- Via pelvic tumor resection or bone graft site
i. Osteitis condensans ilii
- Prevalence of 2.2 %, primarily in multiparous women
- Usually self-limiting and bilateral
j. Reactive disease as sequellae of PID