Cirurgia híbrida na exérese de tumor glômico Shamblin II
Hybrid surgery in excision of a Shamblin II glomus tumor
Alexandre Campos Moraes Amato; Diego Daniel Gomes Ferreira; Fernanda Teixeira Fonseca da Silva; Marielly Ayako Uemura; Thais de Oliveira Stucchi; Ricardo Virgínio dos Santos
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Abstract
Abstract: Glomus tumors are rare benign neoplasms originating from paraganglionic cells of the neural crest developing in the adventitious layer of the vessel. They are nonencapsulated and highly vascularized. A 64-year-old female patient was identified with a hypervascularized glomus tumor measuring 5 cm, posterior to the left carotid bifurcation and contralateral carotid occlusion. We performed preoperative embolization via endovascular access followed by direct percutaneous puncture, guided by angiography, to fill the remaining area. After embolization, surgical excision of the tumor was performed with reduced bleeding and it was easier to find the cleavage planes to adjacent structures. At late follow-up, the patient is free from tumor recurrence. The tumor was classified as Shamblin II, measuring 4 to 6 cm with moderate arterial insertion. Through this double approach we observed a relative reduction in intraoperative bleeding and improved identification of the cleavage plane, facilitating excision and avoiding surgical clamping.
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