What is the most likely diagnosis?
- 64 year-old male undergoing pulmonary embolism work-up
Contrast-enhanced axial CT scan through heart
- Mitral stenosis
- Tricuspid atresia
- Sinus of Valsalva aneurysm
- Multiple pulmonary emboli
- Right aortic arch
Additional Image - Additional contrast-enhanced axial CT scan through heart
Additional Images
Additional contrast-enhanced axial CT scan through heart
Answer:
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3. Sinus of Valsalva Aneurysm
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Sinus of Valsalva Aneurysm
General Considerations
- Usually congenital
- 65-85% of SVAs originate from the right sinus of Valsalva
- Noncoronary (10-30%)
- Left sinuses (<5%) are very rare
- Congenital most often from single sinus
- Secondary causes more often include the left sinus and include:
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