RT Journal A1 Jelenko C, III T1 TIetze's disease predates 'chest wall syndrome' JF JAMA JO JAMA YR 1979 FD December 7 VO 242 IS 23 SP 2556 OP 2556 DO 10.1001/jama.1979.03300230012011 UL http://dx.doi.org/10.1001/jama.1979.03300230012011 AB To the Editor.—  The article "Chest Wall Syndrome: A Common Cause of Unexplained Cardiac Pain" by Epstein et al (241:2793, 1979) describes a symptom-sign complex in which neuromusculoskeletal derangements mimic cardiac disease. That the patient group was at a specialized tertiary care center may have contributed to the highly sophisticated, extensive, costly and (in the cases of the 12 patients described) perhaps unnecessary diagnostic evaluations the authors detailed. However, I was greatly interested in the article because of its neglect of an entity probably more commonly experienced in real-world community practice: peristernal perichondritis (Tietze's syndrome1).In 1974, I described the first reported cases of Tietze's syndrome affecting the xiphisternal joint2 and, in 1977, analyzed 24 cases of xiphisternal perichondritis.3 The disease has protean manifestations and is a mimic of severe cardiac, pulmonary, intra-abdominal, and other diseases.Among our patients, who ranged in age from 18 to 72