面部鲍温病(Bowen’s Disease,BD)是一种皮肤原位癌,典型皮损为略隆起的暗红色持久性斑块,表面可有鳞屑或结痂。恶性纤维组织细胞瘤(malignant fibrous histiocytoma,MFH)是一种罕见病,占成人肉瘤的不到5%,临床表现多为无痛性肿块。本文将报告一例77岁老年男性面部BD伴多形性MFH的病例,并探讨临床特点、诊断、治疗及预后。 Bowen’s Disease (BD) is a kind of carcinoma of the skin in situ. The typical lesion is a slightly elevated dark red persistent plaque with scales or scabs on the surface. Malignant fibrous histiocytoma (MFH) is a rare disease, accounting for less than 5% of adult sarcomas, the clinical manifestations of mostly painless mass. This article will report a case of facial BD with pleomorphic MFH in a 77 year old male and to investigate the clinical features, diagnosis, treatment and prognosis.