PMC5214736_01
(A) Multidetector computed tomography pulmonary angiography shows a extensively dissected right pulmonary artery with the presence of an intimal flap, (B) starting from the right lower lobe artery, (C) the superior segmental artery and the medial basal segmental artery. (D) A three dimensional volume rendering image demonstrates a large PDA (arrow) and dilated tortuous pulmonary arteries.
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An enlargement of the PA, an extensive intimal flap inside the proximal portion of the right lower lobe interlobar PA, and peripheral involvement of the superior and medial basal segmental arteries were revealed after an urgent multidetector computed tomography (MDCT) pulmonary angiography under the suspicion of pulmonary embolism (Fig. 1). A follow-up MDCT and cardiac magnetic resonance imaging showed progression of pulmonary hemorrhage and thrombosis in the PA up to its intersegmental branches (Fig. 2, Supplementary Video 1).
(A-D) Follow-up multidetector computed tomography pulmonary angiography shows progression of partial thrombosis in the false lumen.
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A follow-up MDCT and cardiac magnetic resonance imaging showed progression of pulmonary hemorrhage and thrombosis in the PA up to its intersegmental branches (Fig. 2, Supplementary Video 1).