CTICasesLimited Aortic Dissection
Imaging findings
Initial chest CT in a postpartum patient with Marfan syndrome reveals a severely dilated aortic root but no obvious dissection. A repeat CT scan four days later due to ongoing chest pain demonstrates a subtle, localized dissection flap limited strictly to the aortic root at the level of the sinus of Valsalva.
Key takeaways
Limited or incomplete aortic dissection is a distinct variant of aortic dissection characterized by a localized tear and intimal flap without extensive longitudinal propagation. Postpartum patients with connective tissue disorders like Marfan syndrome are at exceptionally high risk for aortic complications due to hormonal and hemodynamic changes. This case underscores the importance of close clinical monitoring and repeat imaging when chest pain persists, as initial scans can occasionally miss subtle or developing tears.
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