From the case: Ankylosing spondilitis

Annotated image
System: Musculoskeletal
Section: Signs
Tag: spine
Modality: Annotated image

- “ Case of ankylosing spondilitis, which is a seronegative spondyloarthropathy and HLA-B 27 positive ( >90% of cases). Sacroilitis is the hallmark o...”

Used in the following article:

  • Dagger sign (spine) - “ The dagger sign is a radiographic feature seen in ankylosing spondylitis as a single central radiodense line on frontal radiographs related to oss...”

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