Onyx-HD 500 Embolization of a Traumatic Internal Carotid Artery Pseudoaneurysm after Transsphenoidal Surgery.

Background And Purpose: Traumatic intracranial pseudoaneurysms present a challenge for treatment. Traditionally these lesions have required a deconstructive approach consisting of vessel sacrifice since their fragile nature often makes direct microsurgical repair or coil embolization hazardous. As a high-viscosity liquid embolic agent that results in immediate, vessel sparing aneurysm occlusion, Onyx-HD 500 represents a uniquely efficacious tool for this clinical situation.

Development and spontaneous regression of a de novo posterior communicating artery aneurysm in a child following gamma knife stereotactic radiosurgical obliteration of a cerebral AVM: Case report and review of the literature.

Reports of the development of true intracranial aneurysms after radiosurgery are exceedingly rare and unconvincing. We report the case of a young boy who developed a posterior communicating artery aneurysm after the Gamma Knife radiosurgical treatment of a thalamic AVM. This ten year-old presented with left upper extremity tremors.

Brachial artery approach for endovascular treatment of posterior circulation intracranial vascular disease: technique and application in 5 cases.

Although the transbrachial artery approach has been well described as an alternative for percutaneous coronary interventions and diagnostic cerebral arteriography, little has been reported regarding the use of this technique for therapeutic neuroendovascular procedures. We highlight the technical applications of this technique during 5 procedures. Three women (age 68, 69, and 83 years) and 1 man (age 79 years) were treated using brachial artery access.