Camptodactyly-arthropathy-coxa-vara-pericarditis (CACP) syndrome is a rare, genetic, rheumatologic disease characterized by congenital or early-onset camptodactyly and symmetrical, polyarticular, non-inflammatory, large joint arthropathy with synovial hyperplasia, as well as progressive coxa vara deformity and, occasionally, non-inflammatory pericarditis. The disease is MONDO_0008828 (camptodactyly-arthropathy-coxa vara-pericarditis syndrome). Also known as: CACP, CACP syndrome, Jacobs syndrome, PAC syndrome, arthropathy-camptodactyly syndrome, camptodactyly-arthropathy-pericarditis syndrome, congenital familial hypertrophic synovitis, familial fibrosing serositis.