Question:
What is the type of dissection depicted in the image?
What is the type of dissection depicted in the image?
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Aortic Dissection Cheat Sheet:
- DeBakey 1: Ascending + Descending.
- DeBakey 2: Ascending ONLY.
- DeBakey 3: Descending ONLY.
- Stanford A: Any Ascending involvement (Surgical Emergency).
- Stanford B: NO Ascending involvement (Medical management).
- DeBakey 1: Ascending + Descending.
- DeBakey 2: Ascending ONLY.
- DeBakey 3: Descending ONLY.
- Stanford A: Any Ascending involvement (Surgical Emergency).
- Stanford B: NO Ascending involvement (Medical management).
Updated On: Sep 3, 2026
- DeBakey type 1
- Stanford B
- DeBakey type 2
- DeBakey type 3
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Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Concept:
Aortic dissections are classified by two main systems: Stanford and DeBakey. These classifications are based solely on the anatomical extent of the dissection flap, which dictates whether emergency surgery or medical management is indicated.
Explanation:
• Standard medical imaging depicting this specific multiple-choice question scenario shows an intimal tear initiating in the ascending aorta and propagating continuously through the aortic arch and down into the descending thoracic aorta.
• Let us review the DeBakey Classification:
- DeBakey Type I: Originates in the ascending aorta and propagates distally to include the arch and the descending aorta (and often further into the abdominal aorta).
- DeBakey Type II: Originates in and is confined strictly to the ascending aorta only.
- DeBakey Type III: Originates in the descending aorta (distal to the left subclavian artery) and extends distally.
• Let us review the Stanford Classification:
- Stanford Type A: Involves the ascending aorta (encompasses DeBakey Types I and II). Requires emergent surgery.
- Stanford Type B: Spares the ascending aorta (encompasses DeBakey Type III). Usually managed medically.
• Because the image shows the entire aorta (ascending, arch, and descending) split by a dissection flap, it precisely fits the definition of a DeBakey Type I dissection.
• Stanford B (Option B) is incorrect because the ascending aorta is involved. DeBakey Type 2 (Option C) is incorrect because the descending aorta is involved.
Final Answer:
A dissection flap involving both the ascending and descending segments of the aorta is classified as DeBakey Type 1.
Aortic dissections are classified by two main systems: Stanford and DeBakey. These classifications are based solely on the anatomical extent of the dissection flap, which dictates whether emergency surgery or medical management is indicated.
Explanation:
• Standard medical imaging depicting this specific multiple-choice question scenario shows an intimal tear initiating in the ascending aorta and propagating continuously through the aortic arch and down into the descending thoracic aorta.
• Let us review the DeBakey Classification:
- DeBakey Type I: Originates in the ascending aorta and propagates distally to include the arch and the descending aorta (and often further into the abdominal aorta).
- DeBakey Type II: Originates in and is confined strictly to the ascending aorta only.
- DeBakey Type III: Originates in the descending aorta (distal to the left subclavian artery) and extends distally.
• Let us review the Stanford Classification:
- Stanford Type A: Involves the ascending aorta (encompasses DeBakey Types I and II). Requires emergent surgery.
- Stanford Type B: Spares the ascending aorta (encompasses DeBakey Type III). Usually managed medically.
• Because the image shows the entire aorta (ascending, arch, and descending) split by a dissection flap, it precisely fits the definition of a DeBakey Type I dissection.
• Stanford B (Option B) is incorrect because the ascending aorta is involved. DeBakey Type 2 (Option C) is incorrect because the descending aorta is involved.
Final Answer:
A dissection flap involving both the ascending and descending segments of the aorta is classified as DeBakey Type 1.
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