Incidental Finding and Endovascular Repair of a Left Internal Mammary Artery Aneurysm following a Multivessel Coronary Artery Bypass Graft

Table 1

Previously reported artery aneurysms [8].

Study (year)	Location	Etiology	Management	Discovery
Otter and Stam [5] (1978)	Left internal mammary artery	Unknown	Left lateral thoracotomy and ligation	“Coin lesion” on chest X-ray
Chan and Fermanis [1] (1995)	Left internal mammary artery	Unknown	Angiographic embolization	Spontaneous hemothorax
Kugai and Chibana [8] (1999)	Left internal thoracic artery	Atherosclerosis	Internal thoracic artery aneurysmectomy and reconstruction	“Angina”
Lindblom et al. [14] (2013)	Left internal thoracic artery	Unknown	Endovascular coiling	Left-sided shoulder pain radiating to chest
Heyn et al. [15] (2014)	Left internal mammary artery	Thrombotic obliterated aneurysm	Open surgical resection	Preoperative chest X-ray
Present case (2018)	Left internal mammary artery	Iatrogenic trauma during bypass grafting	Covered stent	Incidental finding during cardiac catheterization