PAEA Surgery End Of Rotation (EOR) Practice Exam

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According to the Stanford classification, which type of dissection involves only the descending aorta?

  1. Type A

  2. Type B

  3. Type C

  4. Type D

The correct answer is: Type B

The Stanford classification system is used to categorize aortic dissections based on their location. Type B dissections specifically involve the descending aorta, and they start distal to the left subclavian artery. This type of dissection does not involve the ascending aorta, which distinguishes it from Type A dissections that include any part of the ascending aorta, regardless of the involvement of the descending aorta. Understanding the basic definitions of the types within the Stanford classification helps in recognizing that Type B dissections are characterized by their occurrence solely in the descending aorta, making them unique compared to the other classifications.

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