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Updated: Jun 12, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
Iatrogenic aortic dissection during left subclavian artery stenting: immediate detection by calcium sign under
Yi-Chih Wang1, Juey-Jen Hwang, Ling-Ping Lai
1Department of Internal Medicine, National Taiwan University Hospital, No. 7, Chung-San South Road, Taipei 100, Taiwan, ROC. med011@seed.net.tw
Abstract:
Calcified aorta with acute iatrogenic aortic dissection is a potential but rarely reported complication of subclavian or innominate artery intervention. We report a patient who developed aortic dissection during stenting for left subclavian artery. A newly developed "calcium sign," signifying displacement of the intimal calcification from the outer soft-tissue margin and which is traditionally recognized on chest radiograph, was detected by real-time fluoroscopy and served as the diagnostic clue. Type B aortic dissection was further confirmed by chest computed tomography.
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