Internal carotid artery pseudoaneurysm

Case contributed by Dr Husam Hussein Yaseen

Presentation

Non-recent bullet injury.

Patient Data

Age: 25 years
Gender: Male

Multiple subcutaneous small metallic foreign bodies consistent with prior guns shot injury and right-sided ocular silicone implant.

Post-contrast CT scan reveals large wide-necked pseudoaneurysm involving the cervical part of the right internal carotid artery, caused by a bullet that settled adjacent to the transverse process of the C1 vertebra. The pseudoaneurysm is partially thrombosed and exerts long-standing mass effect manifesting as thinning of the adjacent part of the C1 cervical vertebra.

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