恶性纤维组织细胞瘤(MFH)是头颈部罕见的肿瘤,本文报告1例累及鼻中隔的病例。作者认为:本病组织学诊断极困难且预后难以预测。患者系平素健康的51岁女性,因鼻塞鼻痛和鼻底部肿胀而就诊。检查发现鼻中隔上方有一肿块,鼻骨轻度畸形伴轻度压痛。考虑为炎症所致,但应用各种抗生素治疗数月后,肿块仍末缩小。为此,作了进一 Malignant fibrous histiocytoma (MFH) is a rare tumor of the head and neck. This article reports one case of nasal septum involvement. The authors believe that the histological diagnosis of the disease is extremely difficult and the prognosis is difficult to predict. The patient was a normally healthy 51-year-old woman who presented with nasal congestion and nasal swelling. Examination revealed a mass over the nasal septum, mild deformity of the nasal bone with mild tenderness. Considering inflammation, several months after the application of various antibiotics, the tumors are still shrinking. For this purpose, a further