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Hyperdense Aneurysm Visualized at the Occlusion Site During Thrombectomy: A Case Report
Ryosuke Kaneko1, Hiroyuki Ikeda1, Toshio Fujiwara1
1Department of Neurosurgery, Kurashiki Central Hospital, Okayama, JPN.
Cureus
|January 30, 2026
Summary
Unrecognized aneurysms during mechanical thrombectomy can be a challenge. Careful review of preoperative CT scans may reveal subtle hyperdense signs, aiding in the detection of these occult vascular lesions.
Area of Science:
- Neurology
- Vascular Surgery
- Radiology
Background:
- Mechanical thrombectomy is a critical treatment for large-vessel occlusion stroke.
- Undetected aneurysms pose a significant risk during endovascular procedures.
- Preoperative identification of distal aneurysms is often challenging despite advanced imaging.
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