거대 후신경아세포종의 비내시경 절제술 후 발생한 지연성 출혈 1예

Transnasal endoscopic resection (TER) for tumors of anterior skull base has been considering alternative surgical modality of transfacial resection for craniofacial resection. Since late of 1990’s, - TER was first described-, It has been reporting that TER has less surgical morbidity and mortality. However we experienced not exactly explained delayed postoperative bleeding on 50th postoperative day following transnasal endoscopic resection of huge es- thesioneuroblastoma in 71 year old male patient. So we describe the case with discussion here. (J Clinical Otolaryngol 2012;23:274–278)