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Case of the Week 405 
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:
.
3. Sinus of Valsalva Aneurysm
.
.
More (Click Discussion Tab)
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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is an award-winning educational website aimed primarily at medical students and radiology residents-in-training, containing lectures, handouts, images, Cases of the Week, archives of cases, quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, GU cardiac, bone and neuroradiology. |
