Preoperative Embolization for the Treatment of Cervical Castleman Disease

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Castleman disease (CD) is a rare benign lymphoproliferative disorder commonly described as a hypervascular mass that causes progressive lymph node enlargement. Head and neck involvement occurs only in 15% to 20% of cases. The recommended treatment in solitary CD is radical resection. Few reports have described the use of angiographic study and preoperative embolization to minimize the intraoperative risk of hemorrhage. We report a clinical case of a solitary large painless, slow-growing mass located in the neck of a 34-year-old woman. Contrast-enhanced computed tomographic and magnetic resonance imaging scan demonstrated a well-defined mass with internal calcifications and peripheral vessels located in the posterior cervical space, extending inferiorly to the supraclavicular space, which moderately enhanced after contrast administration. In the preoperative arteriography, a hypervascularized mass was identified, which mainly received an arterial supply from thyrocervical trunk. Successful embolization with polyvinyl alcohol microparticles was performed, resulting in a significant reduction of intraoperative bleeding, allowing a subsequently safe removal of the tumor. Histopathologic examination corresponded to hyaline vascular–type CD.

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