Polyarteritis nodosa Flashcards
1
Q
What is polyarteritis nodosa?
A
medium vessel vasculitis
causes necrotizing inflammation leading to aneurysm formation
2
Q
Typical demographic
A
middle-aged men
- associated with hepatitis B infection.
3
Q
Clinical features
A
- fever, malaise, arthralgia
- weight loss
- hypertension
- mononeuritis multiplex
- testicular pain
- livedo reticularis
- haematuria, renal failure
4
Q
What percentage of patients are positive for ANCA and Hep B
A
ANCA - 20%
Hep B - positive in 30%
5
Q
A