Abstract
A 68 year-old woman presented with increasing dyspnoea (NYHA II) and systolic murmur at auscultation. Echocardiography showed thickened pulmonary valve leaflets, a systolic prolapsing mass provoking severe pulmonary stenosis (peak systolic pulmonary pressure: 42 mmHg), no regurgitation, minimal right ventricular dilatation but normal ventricular function. CT scan showed a dense structure extending from the right ventricular outflow tract (RVOT) up to the pulmonary bifurcation infiltrating the pulmonary valve (PV) (Fig. 1 a,b) . MRI confirmed a mass of 20×30×34 mm, a thickened pulmonary arterial wall (of 6 mm) and contrast enhancement of the anterior wall of the pulmonary trunk and right ventricle, indicating an infiltrating tumour (Fig. 1 c). A PET scan did not indicate further tumour localisations.
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