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Case No. 558
2020-07-01~2020-07-31
출제자 : 차지훈
Hit : 321
| Period | 2020-07-01~2020-07-31 |
|---|---|
| Diagnosis | Intimal flap |
| Gender |
|
| Age | 50 |
| Clinical information | F/50 headache 화살표가 가리키는 구조물의 명칭은? |
| Discussion | Intimal flap Imaging findings - Aneurysmal dilatation of rt distal VA - Double lumen with intimal flap - Flow stagnation in false lumen - No intramural hematoma - Compatible with chronic dissection Review - The wall of an artery is composed of a tunica intima, tunica media, and a tunica adventitia. - The initiating event in a dissection is a tear in the intimal lining of the vessel. - The blood travels through the media, creating a false lumen (the true lumen is the normal conduit of blood). - Separating the false lumen from the true lumen is a layer of intimal tissue known as the intimal flap. - The diagnostic pearl of dissection is intimal flap (with double lumen) followed by intramural hematoma, aneurysmal dilation with stenosis (string of pearl sign). |
| Correct answer |
Correct Answer
Semi-Correct Answer |