massive basilar artery aneurysm in patient with occasional h | Figure 1

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massive basilar artery aneurysm in patient with occasional headache. Stent-assisted coiling with prolonged procedure and many coils. Patient outcome excellent and discharged after 24h.

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This is a peroneal artery arteriovenous fistula with a small pseudoaneurysm. Coils were placed in the peroneal artery to occlude the fistula and pseudoaneurysm. After coiling of the peroneal artery, good anterior tibial and posterior tibial runoff with backfilling of peroneal artery was observed. No abnormal waveform or flow was observed after coiling. There was no residual pseudoaneurysm. Courtesy of Dr. Maud Morshedi, M.D., Ph.D., University of California, San Diego, Department of Interventional Radiology.](https://app.figure1.com/case-detail/006f0443-1fcb-4903-9b30-d2f979b51920)



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The CT showed the large necrotic pseudocyst with definite contrast extravasation consistent with an arterial pseudoaneurysm. #Interventional #Radiology was consulted for further evaluation and treatment. Given acute hgb loss and symptoms, the plan was to proceed with embolization. The patient tolerated coil embolization without any major complications and recovered well and was discharged home. One month follow up scan demonstrated persistent thrombosis of the splenic artery but the coils had partially migrated into the pseudocyst proper. Coil migration has been described before. And in our case, serial imaging demonstrated stable coil embolic positioning thus not requiring surgical intervention. Has anyone else ever encountered this? What methods do you know to help prevent this from occurring?](https://app.figure1.com/case-detail/0e043868-e8f6-4889-b55d-beed881fdb7a)



Pt with 40mm aneurysm. Was successfully coiled with no neurological deficits.](https://app.figure1.com/case-detail/4b6aa0d4-2f24-40a9-bd6e-4e43774ce73b)