Right aortic arch with left aberrant subclavian artery and azygos continuation of IVC
Diagnosis certain
Updates to Case Attributes
Status
changed from draft to published (public).
Published At
was set to
.
Presentation
was changed:
In study for right aortic arch previously seen in a CXR.
Updates to Study Attributes
Findings
was changed:
The aortic arch is at the right in relation with the trachea.
The aberrant left subclavian artery is the branch that arises from Kommerell diverticulum at the distal end of the aortic arch. This findings are related with a right aortic arch with aberrant left subclavian artery. Also
Also, there is dilatation of the azygos vein that demonstrates azygos continuation of the IVC. The azygos vein drains in the superior vena cava.
Updates to Quizquestion Attributes
Question
was added:
Why this happened? (Embriology of the aorta)
Answer
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Because of an interruption of the dorsal segment of the left arch between the left common carotid and left subclavian arteries with regression of the right ductus arteriosus in the hypothetical double aortic arch
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