何为膝关节树枝状脂肪瘤？其主要症状及Ｘ线表现如何？应与何病鉴别？树枝状脂肪瘤是１９８９年英国Ａｒｍｓｔｒｏｎｇ报道的１例，在此之前已有１２例报道。本病属于罕见的关节内病变，是由滑膜下堆集的脂肪和集结的肿胀绒毛突出物构成。在组织学上不能与其它滑膜下堆集... What is knee dendritic lipoma? The main symptoms and X-ray performance? What disease should be identified? Dendritic lipoma is reported in Armstrong in the United Kingdom in 1989, an example of 12 cases have been reported before. The disease is a rare intra-articular disease, is composed of accumulation of fat under the synovial membrane and buildup of swelling villi constitute. In histology can not be stacked with other synovial ...