原发于上颌窦的恶性淋巴瘤1例

原发性鼻腔及鼻窦非霍奇金淋巴瘤（nonHodgkin′s lymphoma;NHL）是结外淋巴瘤的一种,临床上少见,原发于上颌窦者更为罕见,本科诊治1例单纯表现为面部肿胀的上颌窦NHL病例,报道如下。1病例资料患者,男,59岁。2012年11月中旬因鼻背旁左侧面部肿胀半个月到本科就诊。局部无疼痛,无鼻塞流涕或涕血,无头痛或视物改变等眼部症状,无发热。体检示鼻背左侧、眶下位置丘状隆起,包块约3cm×2cm,质地较硬,活动度差,无压痛。鼻内镜检查双鼻腔及鼻咽部未见新生物。鼻窦增强CT示（图1~2）：左侧上颌窦、

One case of primary malignant lymphoma of the maxillary sinus

Summary Malignant lymphoma of the maxillary sinus is very rare. A case of diffuse large B-cell lymphoma （DLBCL） of the left maxillary sinus is presented here. A 59-year-old man came to our hospital complaining of swelling under the left lower eyelid without any other symptoms. Imaging examination including CT and MRI de- tected a tumor in the left maxillary sinus. The tumor was invasive into left orbit. The biopsy revealed a diffuse large B-cell lymphoma. The tumor cells were positive to CD20, CD79a, CD45. In conclusion, a very rare case of DLBCL of the maxillary sinus was reported.