METHODS: Fifteen subjects with 23 melanomas in the oral and maxillofacial and neck regions were retrospectively studied with plain (15 subjects) and enhanced (12 subjects) CT examinations.

• 方法：回顾性分析了经CT检查的口腔颌面颈恶性黑色素瘤病例15例（23灶）。CT检查包括平扫（15例，23灶）和增强（12例，19灶）。