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A Case of Bilateral Extracranial Internal Carotid Artery Dissection Due to the Helmet Strap After Motorcycle Crash

Gioia, Sara, MD*; Franceschetto, Lisa; Lancia, Massimo, MD*; Bacci, Mauro, MD*; Suadoni, Fabio, MD

The American Journal of Forensic Medicine and Pathology: June 2019 - Volume 40 - Issue 2 - p 153–155
doi: 10.1097/PAF.0000000000000458
Case Reports

The authors report a case of a man who developed stroke symptoms a few days after a road accident on his motorcycle. Radiographic examinations revealed the presence of bilateral dissection of the extracranial internal carotid arteries with signs of involvement of the brain parenchyma.

The location, timing, and presentation lead to the conclusion that the carotid lesions were secondary to the motorcycle collision; in particular, we suppose that it is due to the pressure exerted by the helmet strap worn. Although helmets have undoubtedly prevented serious injuries, this report highlights that the helmets themselves may cause injuries, especially to cervical soft tissues and vessels.

From the *Section of Legal Medicine, and

School of Medicine, University of Perugia, Perugia; and

Section of Legal Medicine, Hospital of Terni, Terni, Italy.

Manuscript received October 15, 2018; accepted November 17, 2018.

The authors report no conflict of interest.

Reprints: Massimo Lancia, MD, Section of Legal Medicine, University of Perugia, P.zza Lucio Severi, 1 06123 Perugia, Italy. E-mail:

© 2019 by Lippincott Williams & Wilkins.