Systemic polyarteritis nodosa
Systemic polyarteritis nodosa
Definition
Systemic polyarteritis nodosa (PAN) is a chronic systemic necrotizingvasculitis of adults and childrenaffecting small- and medium-sized vessels and characterized by formation of microaneurysms leading to serious generalized disease and multi-organ involvement.
Also known as systemic PAN, systemic periarteritis nodosa — per MONDO