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本文总结耳部原发癌143例的经验。角化症、冻伤及太阳的光化射线可以诱发耳部癌;慢性外耳炎及耳流脓常与外耳道癌有关。中耳及乳突恶性肿瘤约1/4附带有胆脂瘤形成。外耳道为最常见的原发部位。发源于外耳道膜部的早期上皮样癌,可作乳突凿开术及外耳道袖状切除,然后植皮,效果较好。确诊时多数鳞癌已到晚期。已手术的1/3患者为经放疗失败后行之。其余于术前用放疗3500～5000R,然后进行根治手术切除,包括颞骨、颧骨基部及颞颌关节的切除。晚期鳞癌的5年存活率为25％。
This article summarizes the experience of 143 cases of primary cancer of the ear. Keratosis, frostbite and the actinic rays of the sun can induce ear cancer; chronic otitis externa and ear pus are often associated with external auditory canal cancer. About 1/4 of malignant tumors in the middle ear and mastoids have cholesteatoma formation. The external auditory canal is the most common primary site. Early epithelioid carcinomas originating from the external auditory canal can be used for mastoidectomy and sleeve resection of the external auditory canal, followed by skin grafting. Most squamous cell carcinomas have reached advanced stage when diagnosed. One-third of patients who have undergone surgery have undergone failure after radiotherapy. The remaining patients were treated with radiotherapy 3500-5000R before surgery, and then radical resection was performed, including the removal of the sacrum, the base of the sacrum, and the temporomandibular joint. The 5-year survival rate of advanced squamous cell carcinoma is 25%.