滑(hua)膜(mo)(mo)(mo)軟(ruan)(ruan)(ruan)(ruan)骨瘤病是(shi)關(guan)(guan)(guan)(guan)節(jie)(jie)的(de)骨膜(mo)(mo)(mo)或(huo)滑(hua)膜(mo)(mo)(mo)囊、腱鞘(qiao)內(nei)所(suo)發生(sheng)的(de)軟(ruan)(ruan)(ruan)(ruan)骨性、纖維軟(ruan)(ruan)(ruan)(ruan)骨性或(huo)骨軟(ruan)(ruan)(ruan)(ruan)骨性小(xiao)(xiao)體(ti)(ti)。臨床(chuang)上以關(guan)(guan)(guan)(guan)節(jie)(jie)疼痛、腫脹、關(guan)(guan)(guan)(guan)節(jie)(jie)交鎖(suo)或(huo)出現捻(nian)發音為(wei)主要表(biao)(biao)現。滑(hua)膜(mo)(mo)(mo)軟(ruan)(ruan)(ruan)(ruan)骨瘤病特征為(wei)周身大關(guan)(guan)(guan)(guan)節(jie)(jie)易(yi)受累,以膝關(guan)(guan)(guan)(guan)節(jie)(jie)為(wei)著,臨床(chuang)表(biao)(biao)現以關(guan)(guan)(guan)(guan)節(jie)(jie)疼痛、異物(wu)感多見(jian)(jian)。受累大關(guan)(guan)(guan)(guan)節(jie)(jie)的(de)滑(hua)膜(mo)(mo)(mo)表(biao)(biao)現增(zeng)生(sheng),形成(cheng)多數帶(dai)蒂(di)的(de)突起,游離端的(de)細胞化生(sheng)為(wei)軟(ruan)(ruan)(ruan)(ruan)骨小(xiao)(xiao)體(ti)(ti),些小(xiao)(xiao)體(ti)(ti)與滑(hua)膜(mo)(mo)(mo)相連,但(dan)以后可隨時(shi)脫落,形成(cheng)關(guan)(guan)(guan)(guan)節(jie)(jie)腔內(nei)游離體(ti)(ti),手(shou)術(shu)亦(yi)可見(jian)(jian)關(guan)(guan)(guan)(guan)節(jie)(jie)囊內(nei)帶(dai)蒂(di)小(xiao)(xiao)骨塊,數個至數十(shi)個大小(xiao)(xiao)不等,灰白色,質硬。滑(hua)膜(mo)(mo)(mo)表(biao)(biao)面可見(jian)(jian)許多大小(xiao)(xiao)不等的(de)黃(huang)(huang)色結(jie)節(jie)(jie),堅硬透明。關(guan)(guan)(guan)(guan)節(jie)(jie)腔內(nei)可見(jian)(jian)中等量微黃(huang)(huang)色積液(ye)。關(guan)(guan)(guan)(guan)節(jie)(jie)囊外生(sheng)長帶(dai)蒂(di)骨塊手(shou)術(shu)少見(jian)(jian)。滑(hua)膜(mo)(mo)(mo)軟(ruan)(ruan)(ruan)(ruan)骨瘤病病理學檢查發現軟(ruan)(ruan)(ruan)(ruan)骨細胞常增(zeng)生(sheng)活躍,核肥碩或(huo)呈雙核,極易(yi)誤診(zhen)為(wei)軟(ruan)(ruan)(ruan)(ruan)骨肉瘤。治療原則為(wei)手(shou)術(shu)切除體(ti)(ti),摘除關(guan)(guan)(guan)(guan)節(jie)(jie)腔內(nei)游離體(ti)(ti).如(ru)若滑(hua)膜(mo)(mo)(mo)肥厚水腫且并有多個結(jie)節(jie)(jie)附著時(shi),應同(tong)時(shi)做滑(hua)膜(mo)(mo)(mo)切除手(shou)術(shu),但(dan)關(guan)(guan)(guan)(guan)節(jie)(jie)功能(neng)難以恢(hui)復正常。