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Case: Dual Energy Lung Perfusion CT in Children: Feasible, Useful and Officially Recognized with the Walter E. Berdon Award

posted by Hyun Woo Goo, M.D. | Nov 22, 2011
Hyun Woo Goo, M.D.
  • Table 1: Examination protocol
  • 1. 7-year-old child with familial dilated cardiomyopathy and right ventricular thrombi. 1. Axial DECT PBV image shows perfusion defect in the left dorsal lung. Small right pleural effusion is noted.
  • 2. Sagittal DECT PBV image also shows perfusion defect in the left dorsal lung. Large thrombi (arrows) are seen in the right ventricle. Pericardial effusion is noted.
  • 3. VRT view of pulmonary vessels shows no evidence of thromboembolism in the major pulmonary arteries but decreased visualization of small peripheral pulmonary arterial branches in both lower lung fields.

At Asan Medical Center, DECT is routinely performed in children who are suspected of having pulmonary thromboembolism. Read more

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Dose and image quality at CT pulmonary angiography – comparison of first and second generation dual-energy CT and 64-slice CT

posted by Ralf Bauer, M.D. | Sep 8, 2011
Ralf Bauer, M.D.

To compare dose and image quality of 64-slice, first and second generation dual-energy CT (DECT) for CT pulmonary angiography (CTPA). Read more

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Triphasic contrast injection improves evaluation of dual energy lung perfusion in pulmonary CT angiography

posted by Josef Matthias Kerl, M.D. | Aug 11, 2011
Josef Matthias Kerl, M.D.

We compared two scan and four contrast material injection protocols in terms of severity of artifacts and attenuation levels in the thoracic vessels. Read more

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Dual energy CT pulmonary blood volume assessment in acute pulmonary embolism – correlation with D-dimer level, right heart strain and clinical outcome

posted by Ralf Bauer, M.D. | Aug 4, 2011
Ralf Bauer, M.D.

To investigate the role of perfusion defect (PD) size on dual energy CT pulmonary blood volume assessment as predictor of right heart strain and patient outcome and its correlation with d-dimer levels in acute pulmonary embolism (PE). Read more

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Lung perfusion analysis with dual energy CT in patients with suspected pulmonary embolism – Influence of window settings on the diagnosis of underlying pathologies of perfusion defects

posted by Ralf Bauer, M.D. | Jul 13, 2011
Ralf Bauer, M.D.

This study looks on lung perfusion analysis with dual energy CT (DECT) and investigates the influence of different window settings on the identification of the underlying pathologies for different patterns of perfusion defects (PD). Read more

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Ultra High pitch imaging in pulmonary embolism in the ER – are we nearer to a complete triple rule out

posted by Savvas Nicolaou, M.D. | Oct 15, 2010
Savvas Nicolaou, M.D.

The abstract was presented at the ASER meeting in Seattle August 2010 and awarded the prize for the best resident scientific presentation. Read more

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Case: Assessment of lung perfusion with Flash scanning – massive pulmonary embolism

posted by Thorsten R. C. Johnson, M.D. | Jun 15, 2010
Thorsten R. C. Johnson, M.D.
  • Fig. 1
  • Fig. 2

Massive central and segmental pulmonary embolism. Read more

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