鼻窦腔粘膜恶性黑色素瘤的非特异性在临床表现上易延误诊断。肿瘤常位于鼻中隔、鼻腔外侧壁或者上颌窦以及向鼻内或鼻外扩展,通过鼻腔内窥镜及磁共振可以确定肿瘤范围,镜下标本中的肿瘤细胞可见或者无黑色素。完整手术切除是针对鼻窦恶性黑色素瘤最好的治疗方式,从而延长手术生存率和治疗效果。 Sinus mucosa malignant melanoma non-specific clinical manifestations of the delay in the diagnosis. The tumor is often located in the nasal septum, nasal lateral wall or maxillary sinus and nasal or nasal extension, nasal endoscopy and magnetic resonance can determine the tumor range, microscopic specimens of tumor cells visible or no melanin. Complete surgical resection is the best treatment for malignant melanoma of the nasal cavity, thereby prolonging the survival rate and treatment effect.