Lakouichmi M, Mliha Touati M, Zrara I, Zoubeir Y, El Bouihi M, Mansouri Hattab N
Service de chirurgie maxillo-faciale hôpital Militaire Avicenne, Marrakech, Maroc.
Rev Stomatol Chir Maxillofac Chir Orale. 2013 Nov;114(5):334-7. doi: 10.1016/j.revsto.2013.07.004. Epub 2013 Aug 22.
A mucoepidermoid carcinoma (MEC) is a malignant salivary gland tumor. Its primitive intraosseous maxillary localization is rare. We report a case with a difficult diagnosis.
A 42-year-old female patient consulted atypical right sinus area pain. The CT scan revealed a heterogeneous tumor lyzing the right maxillary. The surgical treatment was broad resection. The pathological examination indicated an intramaxillary MEC. The surgical treatment was completed by postoperative radiotherapy.
Primary intraosseous MEC of the jaws is rare and often affects the mandible. Its intraosseous maxillary localization is even rarer. Its etiopathogenesis is still unknown. The treatment is usually surgical, and the prognosis is based on histological criteria.
黏液表皮样癌（MEC）是一种恶性唾液腺肿瘤。其原始的上颌骨内定位很少见。我们报告一例诊断困难的病例。
一名42岁女性患者因非典型右窦区疼痛前来就诊。CT扫描显示一个异质性肿瘤侵蚀右上颌骨。手术治疗为广泛切除。病理检查显示为上颌骨内黏液表皮样癌。术后放疗完成了手术治疗。
颌骨原发性骨内黏液表皮样癌很少见，且常累及下颌骨。其在上颌骨内的定位更为罕见。其病因仍不清楚。治疗通常为手术治疗，预后基于组织学标准。
