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Giant Coronary Artery Aneurysm Masquerading as an Anterior Mediastinal Mass
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  • Rachel Deitz,
  • Olugbenga Okusanya,
  • Arman Kilic,
  • Leonid Emerel,
  • Ibrahim Sultan
Rachel Deitz
University of Pittsburgh Medical Center

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Olugbenga Okusanya
University of Pittsburgh Medical Center
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Arman Kilic
University of Pittsburgh Medical Center
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Leonid Emerel
University of Pittsburgh Medical Center
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Ibrahim Sultan
University of Pittsburgh Medical Center
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Abstract

Coronary artery aneurysms are exceedingly rare and tend to be found incidentally on angiography. We present the case of a 6cm giant coronary artery aneurysm discovered in a 25 year old man. Subsequent workup included cardiac gated MRI, CT angiography and left heart catheterization. Imaging revealed a 6.7 x 6.2 x 6.0 cm aneurysm involving the mid LAD subsequent to the takeoff of a large septal perforator. He was taken electively for operative repair during which the aneurysm was opened, unroofed and ligated at the ostium while taking care to ensuring normal flow in the septal perforator that supplied multiple small collaterals. In this unique case, a coronary artery aneurysm of considerable size was encountered in the LAD of a healthy young adult in which the size of the aneurysm precluded distal revascularization via bypass grafting. Multiple imaging modalities were used to characterize this finding and aid in surgical planning.
Mar 2021Published in General Thoracic and Cardiovascular Surgery volume 69 issue 3 on pages 534-537. 10.1007/s11748-020-01473-5