Giant cell arteritis as a cause of extracranial internal carotid artery aneurysm: a case report
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Updated: May 5, 2026

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
Ihor Kobza1, Yuliia Mota2, Volodymyr Vovk3
1Department of Surgery No. 2, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine.
Background:
This report presents the management of patient with extracranial internal carotid artery pseudoaneurysm due to giant cell arteritis.
Case Presentation:
Left internal carotid artery pseudoaneurysm was diagnosed in a 57-year-old Ukrainian woman, which became a direct indication for surgical treatment involving aneurysm resection and internal carotid artery reimplantation. The used reconstruction technique with oblique cutting of internal carotid artery, aneurysm resection, ellipse-form anastomosis formation, and distal intima fixation prevents the dissection, restenosis, and aneurysm of anastomosis in the long-term postoperative period. Histopathological examination revealed the giant cell arteritis of the internal carotid artery.
Conclusion:
This case emphasizes the importance of open surgical treatment of extracranial carotid artery aneurysms, which allows to perform optimal carotid artery reconstruction and also define the rare etiology of disease.
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