RT Journal Article SR Electronic T1 Camptodactyly-Arthropathy-Coxa Vara-Pericarditis Syndrome: The First Familial Case in China and Novel Mutations of the Proteoglycan 4 Gene JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP jrheum.220236 DO 10.3899/jrheum.220236 A1 Jun-Mei Zhang A1 Feng-Qiao Gao A1 Cai-Feng Li A1 Wei-Ying Kuang A1 Jiang-Hong Deng A1 Xiao-Hua Tan A1 Chao Li A1 Shi-Peng Li YR 2022 UL http://www.jrheum.org/content/early/2022/09/11/jrheum.220236.abstract AB Camptodactyly-arthropathy-coxa vara-pericarditis (CACP) syndrome is a rare autosomal recessive disorder characterized by camptodactyly, noninflammatory arthropathy, progressive coxa vara, and aseptic pericarditis. It is more common in countries with high rates of consanguineous marriage, such as Saudi Arabia, the United Arab Emirates, and Pakistan.1-3