李家谋,钟延丰.脊索瘤中增殖细胞核抗原表达与细胞凋亡检测的临床意义[J].中国脊柱脊髓杂志,2001,(4):.
脊索瘤中增殖细胞核抗原表达与细胞凋亡检测的临床意义
Expression of PCNA and detection of apoptosis and their significance in chordomas
  
DOI:
中文关键词:  脊索瘤 增殖细胞核抗原 凋亡 复发
英文关键词:Chordoma,Proliferating cell nuclear antigen,Apoptosis,Recurrencei
基金项目:
李家谋  钟延丰
[1]北京大学第三医院骨科100083 [2]北京大学医学部病理科
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中文摘要:
  目的:探讨脊索瘤的组织特性及预后判断。方法:用免疫组化法检测16例原发脊索瘤(其中典型脊索瘤10例,软骨样脊索瘤6例)中增殖细胞核抗原(PCNA)的表达,TUNEL法检测其肿瘤细胞的凋亡,电镜观察其超微结构。结果:典型脊索瘤与软骨样脊索瘤PCNA的表达差异无显著性,但复发者PCNA的标记率明显较未复发者为高(P<0.05)。软骨样脊索瘤肿瘤细胞的凋亡率较典型脊索瘤为高,但复发者肿瘤细胞的凋亡率与未复者相比较并无显著性差异。根治术无复发间期平均为26个月,次全切除术无复发间期平均为8个月(P<0.05)。术后加用大剂量放疗,较未使用者的复发率为低,但无显著性差异。结论:索脊瘤复发与否与PCNA的标记率及手术方式有关,软骨样脊索瘤的预后较典型脊索瘤要好。
英文摘要:
  Objective:To investigate the cytological features and the prognosis of chordoma.Method:An immunohistochemical staining was used to detect the expression of PCNA and TUNEL technique to show apoptotic cells in 10 cases of typical chordoma and 6 cases of cho
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