- Churg-Strauss syndrome revealed by granulomatous acute pericarditis: two case reports and a review of the literature. Agard, C., Rendu, E., Leguern, V., Ponge, T., Masseau, A., Barrier, J.H., Trochu, J.N., Hamidou, M.A., Guillevin, L. Semin. Arthritis Rheum. (2007)