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滤泡树突状细胞属于非淋巴细胞,它通过表达、维持B细胞抗原以及刺激B细胞增生和分化来参与人体免疫系统[1]。滤泡树突状细胞肉瘤(follicular dendritic cell sarcoma,FDCS)是一种罕见的肿瘤,通常起病于各部位淋巴结,多见于颈部、纵隔以及腋下区。但也有近1/3的病例起病于淋巴结外组织或器官[2]。1986年,Monda等[3]首先报道了4例FDCS,而至今国内外只有少量起源于淋巴结外的FDCS病例被报道。我们报告1例起源于后纵隔同时合并颅内多发转
Follicular dendritic cells are non-lymphoid cells that participate in the body’s immune system through the expression, maintenance of B cell antigens, and stimulation of B cell proliferation and differentiation [1]. Follicular dendritic cell sarcoma (FDCS) is a rare tumor that usually begins in various parts of the lymph nodes, more common in the neck, mediastinum and armpit area. However, nearly one third of the cases have developed outside the lymph node tissues or organs [2]. In 1986, Monda et al [3] first reported 4 cases of FDCS, and so far only a small number of FDCS cases originated outside the lymph nodes have been reported. We report a case originated in the posterior mediastinum combined intracranial multiple transfer