en Pediatric Pediatric Original Research Original Research Thirty five children with a primary complaint of chest pain were prospectively studied. The average age was 9.7 years for boys and 8. 9 years for girls 60% were male. The most frequently diagnosed cause was psychogenic (54.2%). Forty percent of the patients were classified as having idiopathic chest pain. Precordial pain was encountered in 2. 9%), along with costochondritis and mitral valve prolapse. It is concluded that chest pain in children is a relatively benign symptom which is infrequently associated with a serious underlying organic condition extensive laboratory investigations are not required. Psychogenic chest pain is a prevalent problem that commonly causes considerable anxiety in children and their families. 127 129 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-510&slc_lang=en&sid=1 REZA GHARIB 20031947532846005627 20031947532846005627 Yes From The Department of Pediatrics, Shiraz University of Medical Sciences, Shiraz, I.R. Iran