Fig. 2

Surgical excision under general anesthesia and endoscopic guidance. A The formation presented of hard consistency, firmly adhering to the septum and bleeding. It was removed up en bloc to its vascular base. Electrical cauterization was sufficient since the poor vascularity of the lesion allowed for removal without any significant intraoperative blood loss and did not require preoperative embolization. B The pedicle had been completely transected and the mass sent after resection for a histological examination