Etymed
polyarteritis
Definition
Inflammation of multiple arteries
Clinical context
A 35-year-old man presents with fever, weight loss, and myalgias for 2 weeks. Physical examination reveals palpable purpura on his lower extremities and tender hepatomegaly. Laboratory studies show elevated inflammatory markers and positive anti-neutrophil cytoplasmic antibodies. Biopsy of affected skin shows transmural inflammation of medium-sized arteries without evidence of granulomas.
Mnemonic
Painful arteries, polyarteritis - 'PAP' for 'Painful Arteries' and 'Poly' for multiple arteries