左侧上颌窦恶性黑色素瘤1例

患者，男，62岁，因左侧鼻腔涕中带血10个月，加重半年余于2012年10月9日入院。患者于2012年春节时因过度疲劳出现右侧涕中带血，时有鼻塞，面部稍有胀痛，曾行间断抗炎治疗后无明显好转。2012年9月，患者因左侧牙疼行拔牙处理后左侧鼻腔出现涕中带血，较右侧为多。

A case of malignant melanoma on the left side of the maxillary sinus

The clinical manifestations of the disease lacked specificity, and the clinical symptoms were nasal obstruction, any blood in snivel and slightly swelling pain on face. The neoplasm with unsmooth surface looked taupe and maroon, and was brittle and easy blooding. Paranasal sinus CT：crumbly mass lesion within the shadow filled in the left side of the maxillary sinus,and the sinus stopped up, sinus wall bone was absorptted and thinned, front and rear wall and inner wall bone were boundednessly broken off, knuckled partly to the nasal cavity. Direct reinforcement MRI：in addition to the result of paranasal sinus CT,enhance examination found obviously asymmet-rical intensify of the focus. The pathological diagnosis of poatoperation was malignant melanoma on the left side of the maxillary sinus.