en Cardiology Cardiology case report case report Background: Primary intra cardiac tumors are rare. In this article, we present papillary fibroelastoma of mitral valve chordae. Case Presentation: A 35-year old man presented with atypical chest pain and palpitation. Physical examination and electrocardiogram were normal. Transesophageal echocardiography (TEE) revealed a mass of 1015 mm attached to chordae of anteromedial papillary muscle of mitral valve. The tumor was completely resected and the mitral valve chordae tendineae was preserved successfully. The pathological diagnosis was papillary fibroelastoma. Conclusion: In any patient with atypical chest pain and palpitation, valvular tumor should be considered in differential diagnosis. Papillary fibroelastoma, Cardiac tumor, Mitral valve chordae 123 126 http://caspjim.com/browse.php?a_code=A-10-62-181&slc_lang=en&sid=1 Shervin Ziabakhsh 10031947532846002161 10031947532846002161 No Associate prof. of Cardiac Surgery, Cardiac Surgery Department, Fatemeh Zahra Hospital of Sari, Mazandaran University of Medical Sciences, Sari, Iran. Rozita Jalalian 10031947532846002162 10031947532846002162 No Cardiovascular Department, Fatemeh Zahra Hospital of Sari, Mazandaran University of Medical Sciences, Sari, Iran. Farzad Mokhtari-Esbuie 10031947532846002163 10031947532846002163 Yes General Physician, Fatemeh Zahra Hospital of Sari, Mazandaran University of Medical Sciences, Sari, Iran.