The mnemonic
HLA-B27 PARE
What each word stands for
- PPsoriatic arthritis
- AAnkylosing spondylitis
- RReactive arthritis
- EEnteropathic (inflammatory bowel disease) arthritis
Why it matters clinically
Prompts a systemic work-up in recurrent anterior uveitis.
Where it stops being reliable
Misses sarcoidosis, juvenile arthritis and Behcet's, which are not in this group.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.