鼻型NK/T细胞淋巴瘤是近年来提出的一种淋巴瘤亚型[1],为发生于鼻腔及面中部进行性毁损性病变,过去曾诊断为致死性中线肉芽肿、中线恶性网状细胞增多症、多形性网状细胞增多症等。现报告我科所见1例并结合文献复习如下。 Nasal NK / T cell lymphoma is a subtype of lymphoma proposed in recent years [1], occurs in the nasal cavity and midface of the progressive degenerative lesions, had previously been diagnosed as lethal median granuloma, median mesorectal Polycythemia, pleomorphic reticulocytosis and so on. Now report one case of our department and review the literature as follows.