台耳醫誌

Ameloblastomas are rare odontogenic tumors that originate from the epithelium of the dental lamina. They occur in the maxilla and mandible at a ratio of approximately 1:4. In rare cases, a maxillary ameloblastoma that has spread to the maxillary sinus has been reported. Surgical treatment for maxillary ameloblastomas usually entails complete resection through partial or total maxillectomy. According to the 2017 World Health Organization classification, ameloblastomas can be divided into five cell subtypes: plexiform, follicular, desmoplastic, granular, and acanthomatous. This paper presents the case of a middle-aged woman who had a rare maxillary ameloblastoma with a mixed histological cell subtype and extension into the maxillary sinus. It was treated with combined transnasal endoscopic surgery and transfacial partial maxillectomy. A brief review of this rare neoplasm and the surgical steps are provided herein.
(J Taiwan Otolaryngol Head Neck Surg 2022; 57:46-52)