Standard radiography of the left sacroiliac joint. (A) No bony erosion could be detected (B) Tomosynthesis (coronal plane) and (C) CT scan (axial plane) examination disclose subtle subchondral erosions of the sacroiliac joints (arrows), whereas bone sclerosis (large arrow) is depicted on standard CT scan. Seronegative spondyloarthropathy imaging: Looking at the past, hitting the future: Lacout A, Carlier R, Marcy PY - The Indian journal of radiology & imaging (2015 Oct-Dec). Not altered. CC.
Seronegative spondyloarthropathies are a group of disorders that involve sacroiliac joints and are associated with HLA-B27.
Examples of seronegative spondyloarthropathies include:
- Ankylosing spondyloarthritis
- Enteritis associated arthritis
- Psoriatic arthritis
- Reactive arthritis
