Abstract:

Chemodectomas are rare, in most cases, benign neoplasms. They originate from the chemoreceptor cells of the carotid glomus in the bifurcation of the carotid artery. Chemodectoma treatment is surgical. Classical removal of the tumor carries a high risk of damage of arteries and nerves. We present a case report of high localization (C1) carotid chemodectoma removal in a hybrid operating room. Tumor was successfully removed after selective embolization of chemodectoma with protection of distal flow of the internal carotid artery. This approach helped to minimize intraoperative blood loss, as well as to shorten time of intervention.

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Abstract:

Introduction: сarotid chemodectoma is a benign, slowly growing, vascularized tumor that is one of the most common paragangliomas of head and neck. It is localized in the area of anterior surface of neck - in the area of carotid artery bifurcation. Despite the relative knowledge of the disease, surgical treatment of patients with these newgroth is difficult due to development of intraoperative hemorrhagic complications.

Aim: was to assess possibilities of primary embolization in the complex treatment of patients with chemodectoma.

Materials and methods: 70-year-old female patient was examined and treated. She was admitted with complaints on painless, pulsating, gradually progressive newgrowth of neck. After examination, carotid chemodectoma was diagnosed. The first stage was selective embolization of branches of the external carotid artery (ECA) feeding the tumor. Open chemodectomectomy was performed three days after embolization.

Results: analysis of literature sources and our case report showed that the volume of blood loss during an open operation for removal of chemodectoma using previous embolization is insignificant. This aspect also leads to a reduction of time of the intervention.

Conclusions: preoperative chemodectoma embolization significantly reduces the volume of blood loss and reduces the risk of developing other complications.

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