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Case of the Week 404



What is the most likely diagnosis?

  • 41 year-old male, pre-op for hernia surgery



Frontal and Lateral Chest Radiographs

  1. Tetralogy of Fallot
  2. Pericardial cyst
  3. Hypertension
  4. Congenital defect in pericardium
  5. Ventricular aneurysm

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Answer:

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4. Congenital Defect in the Pericardium

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More (Click Discussion Tab)


Congenital Defect in the Pericardium

General Considerations

  • Rare absence of a part or all of the pericardium
  • Due to failure of pericardial development secondary to premature atrophy of the left duct of Cuvier (cardinal vein) which then fails to nourish the left pleuropericardial membrane
  • Male:female ratio of 3:1
  • May be detected at any age but most commonly in low 20’s

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.