Granulomatosis With Polyangiitis (Wegener's Granulomatosis) Complicated by Pericarditis: Our Experience of Two Cases and Comparative Review of Literature.

• GPA is a systemic necrotizing vasculitis of medium and small vessels. • GPA classically involves the upper and lower respiratory tracts and the kidneys. • Pericarditis is a common cardiac manifestation, but RP is rarely described. • A systematic literature search yielded 13 cases of acute pericarditis secondary to GPA, which are analyzed in this review. • The potential role of Anakinra for debilitating RP secondary to GPA is described.