Figure 2

Spiral CT scan of case 2. (A) Contrast enhanced CT axial image showing the pulmonary mass (M) supplied by an anomalous systemic artery (arrow) arising from the upper abdominal aorta (a). (B) Right view of helical CT angiogram showing the course of the arterial vessel (arrow) to the pulmonary mass (M). Note the venous drainage (arrowhead) to the pulmonary veins (V).