Department of Oral and Maxillofacial Surgery Peking University Shenzhen Hospital Shenzhen 518036 Guangdong Province China;
Department of Oral and Maxillofacial Surgery Peking University Shenzhen Hospital Shenzhen 518036 Guangdong Province China;
Infratemporal fossa; Mucoepidermoid carcinoma; Metastasis; Positron emission tomography/computed tomography; High-grade; Case report;