Article

Histopathological examination of ruptured carotid artery after irradiation.

Department of Head and Neck Surgery, Tokyo Medical and Dental University, School of Medicine, Yushima, Tokyo, Japan.
ORL (impact factor: 0.91). 64(3):226-8. DOI:58030 pp.226-8
Source: PubMed

ABSTRACT We report 2 cases of carotid artery rupture after irradiation that was performed 1 year and 17 years before the ruptures. When irradiation-induced arterial rupture occurs, it usually does so within a few months following irradiation. However, the histopathological sections obtained in the present cases revealed carotid artery necrosis that was presumably induced by irradiation. Carotid artery rupture is sudden, massive hemorrhage that ranks among the most dreaded complications in the head and neck. However, several patients have been saved by hospital personnel who discovered the rupture in time to take appropriate measures such as cleaning of the wound and protection with myocutaneous or myofascial flaps. Therefore, it is important to be aware of the possibility of rupture or perforation of major vessels after irradiation, even when the radiation therapy was performed a long time ago.

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Keywords

appropriate measures
 
carotid artery necrosis
 
carotid artery rupture
 
dreaded complications
 
histopathological sections
 
hospital personnel
 
irradiation
 
irradiation-induced arterial rupture
 
myocutaneous
 
myofascial flaps
 
perforation
 
present cases
 
radiation therapy
 
rupture
 
ruptures
 

Hiro-Oki Okamura