Pulmonary thrombosis in adults with Eisenmenger syndrome
Candice K. Silversides, MD*,*,
John T. Granton, MD ,
Eli Konen, MD ,
Michelle A. Hart, BSc*,
Gary D. Webb, MD, FACC* and
Judith Therrien, MD*
* Toronto Congenital Cardiac Centre for Adults, Toronto, Canada
Division of Respirology, University Health Network, University of Toronto, Toronto, Canada
Department of Diagnostic Imaging, University Health Network, University of Toronto, Toronto, Canada
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Figure 1 Axial computed tomography angiography image at the level of the main pulmonary artery bifurcation shows dilation of the main pulmonary arteries and an eccentric 23-mm mural thrombus along the posterior wall of the right pulmonary artery. The thrombus is composed of multiple layers of thrombus with embedded linear calcifications suggesting repeated events during formation. Calcifications are also seen along the anterior free wall of the right pulmonary artery and its main branches (long arrows) and in the left interlobar artery (short arrow). Ao = ascending aorta; MPA = main pulmonary artery.
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Figure 2 (A) Axial computed tomography angiography image at the level of the main pulmonary arteries demonstrates severe dilation, with the main pulmonary artery measuring 71 mm. There is an associated eccentric irregular thrombus in the left main pulmonary artery (short arrows). A tiny focus of calcification is noted in the posterior wall of the right pulmonary artery (long arrow). (B) Axial image at the level of lung bases showing extension of the thrombus into the segmental basal arteries of the left lower lobe (short arrows).
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