机器人手术使口咽部鳞状细胞癌患者获益

2012-10-10 网络 网络

  根据52例患者数据,接受经口腔机器人手术(TORS)的口咽部鳞状细胞癌(OPSCCa)患者的2年总生存率为87%,人乳头瘤病毒(HPV)阳性和阴性患者未见显着差异。   俄亥俄州立大学的Kiran Kakarala博士在美国耳鼻喉-头颈外科学会基金会(AAO-HNSF)年会上报告称, 45%~70%的OPSCCa患者与HPV有关。既往研究显示,HPV阳性和阴性肿瘤患者在生存率方面存在显着差异

  根据52例患者数据,接受经口腔机器人手术(TORS)的口咽部鳞状细胞癌(OPSCCa)患者的2年总生存率为87%,人乳头瘤病毒(HPV)阳性和阴性患者未见显着差异。

  俄亥俄州立大学的Kiran Kakarala博士在美国耳鼻喉-头颈外科学会基金会(AAO-HNSF)年会上报告称, 45%~70%的OPSCCa患者与HPV有关。既往研究显示,HPV阳性和阴性肿瘤患者在生存率方面存在显着差异。然而,另有研究提示,TORS治疗可缩小不同HPV状态OPSCCa患者在生存率方面的差异。

  Kakarala博士及其同事查阅了52例接受TORS颈部切除和术后辅助治疗的OPSCCa初治患者资料。这些患者来自某单中心前瞻性单组队列研究,其中43例患者HPV状态明确,阳性36例,阴性6例。HPV阳性和阴性患者人口统计学特征无显着差异。HPV阳性患者平均年龄59岁,阴性患者为57岁。89%的阳性患者原发肿瘤部位为扁桃体,阴性患者为83%,余者原发肿瘤部位为舌根部。HPV阳性患者恶性肿瘤TNM分级N级显着高于阴性患者(P=0.015),且肿瘤分期显着较高(P=0.017)。患者术后放疗和化疗比例无显着差异。

  结果显示,52例患者2年总生存率为87%,HPV阳性患者为92%,阴性患者为75%;2年疾病特异性生存率分别为92%、92%和75%;2年无病生存率分别为86%、97%和50%。Kakarala博士称,TORS治疗后接受放疗和化疗或只接受放疗的 HPV阳性和阴性患者2年总生存率和疾病特异性生存率未见统计学差异。

  研究者指出,该研究的局限性在于其样本量较小以及回顾性设计,但结果表明了微创TORS在OPSCCa治疗方面的作用。他强调,有必要开展微创TORS联合放疗和化疗的随机试验,以比较不同治疗模式的生存率、生活质量和成本结局。

  Kakarala博士无利益冲突披露。

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    2012-10-12 xue8602
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