头颈部恶性纤维组织细胞瘤４例宋任东，李卫东，王荣光本文报告我院自１９８７年以来收治的４例头颈部恶性纤维组织细胞瘤，其中上颌窦３例，下咽部１例。例１女，３７岁。４年前出现有鼻堵伴脓血性分泌物，近３个月来加重，１月前曾在外院两次取活检疑为“恶性肿瘤”。检... Head and neck malignant fibrous histiocytoma 4 cases Song Dongdong, Li Weidong, Wang Rongguang This article reported 4 cases of malignant fibrous histiocytoma of the head and neck in our hospital since 1987, including 3 cases of maxillary sinus and 1 case of hypopharynx. Example 1 female, 37 years old. Four years ago, there was a nasal congestion with pus and bloody secretions that had worsened in the past 3 months. In the past two months, two patients had been admitted to the external hospital as a “malignant tumor.” Check...