Intranasal sphenoethmoidectomy is one of the most frequently performed operations in otorhinolaryngology. Surgical indications and techniques have evolved with advances in medical technology. Clinical reports describing complications relating to sphenoethmoidectomy, either by traditional or endoscopic technique, have elucidated the potentially dangerous nature of this procedure.1–6 Intraoperative complications are avoided through a detailed knowledge of anatomy and a technique guided by structural landmarks. We present a case of sphenoethmoidectomy complicated by cerebrospinal fluid (CSF) rhinorrhea and a nasal encephalocele.
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