Cardiac myxoma misdiagnosed as infective endocarditis: a case of Carney complex

Author:

Kim Chang Hun,Je Hyung GonORCID,Ju Min Ho,Lee Chee-Hoon

Abstract

Abstract Background Infective endocarditis and cardiac myxoma have common features including fever, systemic embolism and intra-cardiac masses. For this reason, these diseases are often misdiagnosed one for another despite proper imaging studies. Herein, we report a case of suspected infective endocarditis in a patient with acute stroke, fever and a mass adjacent to the mitral valve. Case presentation A 24-year-old male patient presented with recurrent fever and stroke. In view of a history of Cushing syndrome and a mobile mass in the left atrium, infective endocarditis was highly suspected. He was transferred for emergency cardiac surgical intervention. During surgery, intraoperative transesophageal echocardiography revealed a 7 cm mass attached to the interatrial septum. The mass was excised through right mini-thoracotomy and pathological examination confirmed the presence of a myxoma. Based on the above clinical findings and genetic analysis, the diagnosis of Carney complex was confirmed. Conclusions Infective endocarditis and cardiac myxoma have common features and can be misdiagnosed. If a young patient presenting with embolic stroke had a history of an endocrine neoplasm, Carney complex should be considered in the differential diagnosis of infective endocarditis.

Publisher

Springer Science and Business Media LLC

Subject

Cardiology and Cardiovascular Medicine,General Medicine,Surgery,Pulmonary and Respiratory Medicine

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