Research ArticleOriginal Article
Open Access

Computed tomography pulmonary angiography using high-pitch dual-source scanner technology

Donya A. Al Hassan, Khawaja B. Waheed, Mohamed N. El Sirafy, Mohamad A. Khattab, Hassan I. Al-Hammadi, Motassem F. Ibrahim and Zechariah J. Arulanantham
Saudi Medical Journal March 2019, 40 (3) 230-237; DOI: https://doi.org/10.15537/smj.2019.3.23940

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Figures

  • Figure 1
    Figure 1

    Coronal reformat images of pulmonary computed tomography angiography with A) mediastinal and B) lung windows showing a left lower lobe (peripheral) segmental thrombus with distal wedge-shaped area of dense parenchymal opacity/ infarct.

  • Figure 2
    Figure 2

    A) Axial, B) coronal and C) sagittal reformat images of pulmonary computed tomography angiography (mediastinal windows) showing both central and peripheral emboli.

  • Figure 3
    Figure 3

    Axial computed tomography pulmonary angiogram image (mediastinal window) showing streak artifacts related to hyperdense contrast within the superior vena cava (SVC) hindering details and making it difficult to exclude right upper lobe emboli along the pulmonary artery branch. Also note subtle pulsation artifact seen along the right wall of the main pulmonary artery.

  • Figure 4
    Figure 4

    Axial computed tomography pulmonary angiogram images in A) mediastinal and B) lung windows showing blurring or ill-definition of vessels with subtle overlapping.

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