Preoperative endovascular arterial embolization to avoid maxillary artery injury in maxillary gingival cancer surgery.

For maxillary gingival carcinomas, especially those in the molar region, surgical resection is often performed beyond the maxillary tuberosity. Bleeding from the posterior superior alveolar or maxillary artery into the pterygoid process is difficult to stop during partial maxillary resection. Advances in catheterization and materials have enabled the embolization of various vessels. In this report, we describe two cases of maxillary gingival cancer in which preoperative endovascular arterial embolization prevented bleeding due to unexpected vascular injury, allowing for a safe surgery with minimal blood loss. This technique effectively avoids emergency hemostasis for unexpected bleeding when resecting gingival cancers in the maxillary molar region.

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© 2024 The Authors. Published by Elsevier Inc. on behalf of University of Washington.