Cases of aorto-ventricular tunnel involving the right ventricle and more commonly, the left ventricle have been described. The site of origin is located above the right coronary cusp and occasionally, the left. We describe an aorto-left ventricular tunnel in a 16-year-old girl, with aneurysmal expansion into the right ventricular outflow tract. Its aortic origin was above the commissure of the right and noncoronary cusps of the aortic valve.
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