Improved image quality and low radiation dose with hybrid iterative reconstruction with 80 kV CT pulmonary angiography
. Eur J Radiol 2014; 83:1962-1969.
Reduced z-axis technique for CT Pulmonary angiography
in pregnancy- validation for practical use and dose reduction.
The role of CT pulmonary angiography
in the investigation of unilateral pleural effusions.
As death may occur within a few hours after admission, an accurate rapid and specific diagnosis is required and many reports have proven the usefulness of CT angiography.5 CT pulmonary angiography
has become a first-line diagnostic modality in patients suspected of having PE6.
Amongst patients with respiratory deterioration being referred for CT pulmonary angiography
>24 hours after ICU admission, only seven out of 113 scans (6%) were positive for pulmonary emboli.
CT pulmonary angiography
aids diagnosis and management of patients with complex thoracic and cardiopulmonary disease.
Transverse sections of CT pulmonary angiography
(a, b) showing dilated central pulmonary arteries with an intimal flap (black arrow) in the main pulmonary trunk and right pulmonary artery.
(15) Proposed algorithms include performing US after an indeterminate ventilation-perfusion scan, or after a nondiagnostic CT pulmonary angiography
(CTPA) examination, or as the initial imaging examination, but the incidence of DVT is variable in such patients.
This test can be performed with CT pulmonary angiography
when excluding pulmonary embolism as well.
The study included consecutive inpatients and outpatients with clinical suspicion of acute PE who were hemodynamically stable and who had an indication for CT pulmonary angiography
. The patients with confirmed PE then underwent low-radiation-dose ECG-synchronized MDCT for assessment of right ventricular function.
Nowadays, in the context of suspected pulmonary embolism (PE), dual-source CT can provide both anatomical and functional information of the whole lung, by matching CT pulmonary angiography
(CTPA) and the evaluation of pulmonary iodine map in a unique volumetric contrast-enhanced CT acquisition.
When conventional or CT pulmonary angiography
cannot be performed, magnetic resonance angiography (MRA) becomes a valuable option.