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Fig. 4D. —47-year-old man with acute chest pain and type B aortic
dissection. Axial (C) and oblique sagittal (D) reformatted
gadolinium-enhanced T1-weighted first-pass MR angiograms (TR/TE, 4.9/1.2) of
thoracic aorta show discontinuity in dissection flap (arrows),
similar to that seen in A, with true lumen (T, C) opening into
false lumen (F) posterolaterally. Ascending aorta (AA), descending thoracic
aorta (DA, D), and pulmonary artery (PA, D) are also
visible.
