Juvenile inflammatory arthritis

Question 1

What are the three types of juvenile inflammatory arthritis

Answer 1

systemic
pauciarticular
polyarticular

Question 2

Describe the key features of systemic JIA

Answer 2

Least common
\+ fever, rash, nodes
no uveitis
\+ destructive arthritis
\+ leukocytosis, anemia, elevated ESR
no ANA
rarely RF

Question 3

Describe the key features of pauciarticular JIA

Answer 3

Most common 
peaks at 2-3 yrs
affects large joints but not hips
uveitis common
destructive arthritis rare
mildly elevated ESR
\+ANA
-RF

Question 4

Describe key features of polyarticular JIA

Answer 4

2nd most common
peaks at age 2-5, 10-14
+/- ANA, soemtimes RF