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Open Access Case report

An unruptured, thrombosed 10 cm right coronary artery aneurysm mimicking a pericardial cyst

Aakash Chauhan126*, Harsha Musunuru27, Richard L Hallett3, Mark Walsh12, Szabolcs Szabo4 and Walter Halloran5

Author Affiliations

1 Indiana University School of Medicine, Indianapolis, IN, USA

2 Department of Emergency Medicine, Memorial Hospital, South Bend, IN, USA

3 Northwest Radiology Network, Indianapolis, IN, USA

4 Cardiology Associates Inc, South Bend, IN, USA

5 CardioThoracic Surgery, P C, South Bend, IN, USA

6 Department of Orthopaedic Surgery, Allegheny General Hospital, 1307 Federal St 2nd Floor, Pittsburgh, PA 15212, USA

7 Philadelphia College of Osteopathic Medicine, 4170 City Avenue, Philadelphia, PA 19131, USA

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Journal of Cardiothoracic Surgery 2013, 8:2  doi:10.1186/1749-8090-8-2

Published: 7 January 2013


Giant coronary artery aneurysms are a rare and potentially life-threatening condition. A 47 year old male presented with a progressive 6 month history of dyspnea and acute right sided chest pain. During the patients work-up, a 10 cm × 10 cm right coronary artery aneurysm was discovered on CT scan and confirmed by cardiac catheterization. The patient was emergently taken to the operating room for aneurysmal resection with placement of a greater saphenous vein bypass graft. There were no post-operative complications and the etiology of this patient’s aneurysm was determined to be a congenital ectatic dilation of his right coronary artery. The patient is doing well at 2 years of clinical follow-up.

Giant coronary artery aneurysm; Right coronary artery; Coronary artery bypass graft; CABG