Xenon ventilation CT using a dual-source dual-energy technique is a promising functional imaging method for the lung. We report the typical ventilation abnormalities, collateral ventilation and air trapping in the affected lung segment demonstrated on xenon ventilation CT in a child with bronchial atresia. Read more

This article represents an abstract from the original case report. To read the whole article, please visit Circulation. 2009 Mar 3;119(8):1158-60. History A 46-year-old female patient presented at the emergency department with hemoptysis of unknown cause. Past medical history was significant for pulmonary hypertension with Eisenmenger syndrome due to … Read more

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Tips and tricks As the FOV is limited to 26 cm due to the smaller detector of the B-system, it is very important to place the patient centrally in the scan field to cover as much lung parenchyma as possible. Use a lateral and … Read more

Spiral dual energy CT angiography offers new opportunities for the assessing the relevance of pulmonary emboli. In an initial study at the University of Munich, we examined 24 patients with suspected pulmonary embolism. Exams were performed with a single acquisition, spiral dual energy CT angiography protocol on a SOMATOM Definition. Voxels … Read more

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Case History 67-year old with severe dyspnea and positive D-dimer test is referred for CT angiography to confirm or to rule out pulmonary embolism. Question The primary clinical concern … Read more