This is an extremely high risk condition associated with significant degrees of morbidity and mortality. This condition commonly results from invasion and destruction of cervical carotid vasculature from head and neck squamous cell carcinomas. Prompt diagnosis of this condition and active intervention will help in saving lives of these patients.
Causes of carotid blow out syndrome:
1.Aneurysms
2.Infections – cause vasovasorum thrombosis leading on to necrosis of carotid walls.
3.Secondary carcinomatous deposits in cervical lymph nodes
4 Following irradiation for secondary carcinomatous deposits in the neck – Free radicals caused during irradiation causes thrombosis of vasovasorum leading on to breakdown of carotid artery wall. Patients develop fibrosis and thinning of the cartotid arterial wall leading on to blow out.
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