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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

  1. Mitral stenosis
  2. Tricuspid atresia
  3. Sinus of Valsalva aneurysm
  4. Multiple pulmonary emboli
  5. 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

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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:

MORE...


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LearningRadiology.com
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.