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Abdominal Aortic Aneurysm || Ultrasound || Doppler || Case 291
Clinical Features:
An elderly male patient came with
- Pulsatile central abdominal lump for more than 5 years
- Back pain, leg pain, scrotal pain
Ultrasound Features:
- A fusiform aneurysmal dilatation of the infrarenal abdominal aorta with luminal irregular mural thrombi. The dilatation & mural thrombi extend up to the terminal branches.
- Color Doppler shows the Yin-Yang pattern.
- To & fro flow is seen on Pulsed Doppler.
- No retroperitoneal hematoma or para-aortic fat stranding.
Remember:
- In case of abdominal aortic aneurysm, ultrasound does not provide sufficient detail for procedural planning or more complex lesions. It cannot be reliably used in evaluation for endovascular treatments & regional branch vessels’ assessment.
- An aneurysm never gets smaller on follow-up. So, be careful about reporting the diameter.
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