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We treated a 23-year-old male with neurofibromatosis with acute myocardial infarction. Cardiac catheterization revealed severe organic stenosis in the left anterior descending artery, an ectasic left circumflex artery and a small right coronary artery. Percutaneous transluminal coronary angioplasty (PTCA) was performed on the stenosis. In follow-up catheterizations, intracoronary administration of ergometrine induced vasospasm of the left coronary artery including at the PTCA site. An I 123 metaiodobenzylguanidine (MIBG) scintigram showed defects in the septum, inferior wall and apex. These findings suggest abnormality of the cardiac sympathetic nerve in neurofibromatosis.

A 23-year-old Patient with Neurofibromatosis Associated with Acute Myocardial Infarction, Vasospasm and a Coronary Artery Ectasis.