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舌鳞状细胞癌(SCC)的5年生存率为50%~60%,其中延迟颈部淋巴结转移(CLNM)是舌SCC最重要的负相关预后因素。本研究选取212例已接受部分舌截除术且临床无淋巴结转移(cN 0)的SCC患者为研究对象分析解剖学浸润深度(AID)与延迟CLNM间的相关性。根据显微镜下肿瘤细胞最深AID分为5个类别,包括上皮和黏膜下层、外侧舌外肌(ETM)、舌内肌(ITM)、舌旁间隙及舌下间隙,内侧
The five-year survival rate of SCC is 50% -60%. Delayed cervical lymph node metastasis (CLNM) is the most important negative prognostic factor for tongue SCC. In this study, 212 patients with partial tongue resection and clinical non-lymph node metastasis (cN 0) were selected as the study object to analyze the correlation between the depth of anatomic invasion (AID) and delayed CLNM. Under the microscope, the deepest AIDs of tumor cells were divided into five categories, including epithelial and submucosal layers, lateral extra-lingual muscle (ETM), lingual medial muscle (ITM), lingual space and sublingual space, medial