Multidetector CT virtual bronchoscopy is a reliable noninvasive method that allows accurate grading of tracheobronchial stenosis. However, it should be combined with the interpretation of axial CT images and multiplanar reformatted images for evaluation of surrounding structures and optimal spatial orientation.

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A patient with Klippel-Trenaunay syndrome and pulmonary arterial hypertension not associated with chronic thromboembolic pulmonary hypertension is described. It is hypothesised that pulmonary arterial hypertension is another complication associated with the Klippel-Trenaunay syndrome, possibly due to haemodynamic changes of small vessel abnormalities.