Modality: X-ray (Frontal)

- “ B27 positive patient shows bilateral sacroiliac joint sclerosis and irregular widening in keeping with ankylosing spondylitis.  Romanus lesions in...”

Used in the following article:

  • Shiny corner sign (ankylosing spondylitis) - “ The shiny corner sign is a spinal finding in ankylosing spondylitis, representing reactive sclerosis secondary to inflammatory erosions at the sup...”
  • Causes of sacroiliitis (mnemonic) - “ A mnemonic for remembering the symmetric vs. asymmetric causes of sacroiliitis is: PAIR Mnemonic P: psoriatic arthritis A: ankylosing spondyli...”
  • Ankylosing spondylitis - “ Ankylosing spondylitis (less commonly known as Bechterew disease and Marie Strümpell disease) is a seronegative spondyloarthropathy, which results...”

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