纤维鼻咽镜与CT联合检查对鼻咽癌微小原发灶的诊断价值

Diagnosisal value of nasopharygo-fiberscope and CT for microfocal nasopharyngeal carcinoma

目的:探讨纤维鼻咽镜与CT联合检查对鼻咽癌(NPC)微小原发灶的诊断价值,并从NPC微小原发灶探讨其好发部位。方法:用纤维鼻咽镜检查耳鼻咽喉疾病患者3863例,经病理证实发现其中36例为鼻咽部微小原发癌患者,这些患者同时进行CT增强扫描,并就其原发部位进行统计分析。结果:36例患者经纤维鼻咽镜与CT联合检查发现鼻咽肿瘤,原发病灶位于顶壁者25例(69.4%),后壁者9例(25.0%),咽隐窝者2例(5.6%)。结论:NPC微小原发灶多见于顶壁,其次是后壁,第三是咽隐窝。纤维鼻咽镜与CT联合应用对NPC的早期准确诊断具有重要作用。

Objective：To explore the value of nasopharygo-fiberscope and CT in diagnosing microfacal Nasophryngeal Carcinoma（NPC） and the prevalent area, the nasopharynx, where the NPC usually initially developed from. Method： From October,2003 to October, 2005, the data of original microfocus of 36 pathologically confirmed NPC were reviewed retrospectively. These cases were examined by nasopharygofiberscope and CT strengthening scanning. Result：On clinical examination,only 2 cases（5.6%） were found to have original micro-tumor in the recess,the other 34 cases（94.4%）had developed from the other regions including 25（69.4%） from the roof and 9 cases（25.0 % ）from the posterior wall, all with smooth and symmetrical mucosa in the recess. Positive rate of nasophryngeal mass were 100% by nasopharygo-fiberscope and by CT. Conclusion;The data suggested that the roof of nasopharyngeal cavity be the most possible area that the original NPC micro-focus developed from, followed by the posterior wall and the recess, eNasopharygo-fiberscope and CT is very helpful for the correct clinical diagnosis of NPC.