engleski

An internal carotid artery pseudoaneurysm with neck hematoma: A rare cause of a life-threatening neck mass mimicking an abscess

A neck mass has a broad and complex differential diagnosis, generally divided into neoplastic, congenital and inflammatory categories. An internal carotid artery hemorrhage with pseudoaneurysm formation is a very rare entity that may resemble other common conditions in the differential diagnosis. Large, expanding or symptomatic pseudoaneurysm is critical to efficiently diagnose and manage, due to risk of life-threatening hemorrhage. We present a case of an adult male patient with clinical and laboratory signs of severe neck cellulitis and a large gradually increasing neck mass, primarily suggestive of an abscess. Neck CT and MRI imaging revealed the presence of a disruption of the internal carotid artery resulting in a large hematoma and formation of pseudoaneurysm. A multidisciplinary team of interventional radiologists and ENT surgeons successfully treated the patient by endovascular placement of stents and subsequent surgical drainage. Awareness of such a rare, life-threatening condition and efficient multidisciplinary teamwork are essential for patient management.

CT angiography ; Cervical internal carotid artery pseudoaneurysm ; Extracranial carotid artery pseudoaneurysm ; MR angiography ; Neck infected hematoma ; Neck mass ; Neck mass differential diagnosis ; Stent-graft endovascular repair

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