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头颈部恶性肿瘤占全身恶性肿瘤的30%,主要包括鼻咽癌、口咽癌、下咽癌、喉癌、口腔癌、上颌窦癌、鼻腔筛窦癌等。不同部位头颈部恶性肿瘤的发病率在不同国家、不同地区、不同人种以及不同时期都不相同。在中国,鼻咽癌是发病率最高的头颈部恶性肿瘤;在美国,喉癌则是最常见的。头
Head and neck malignant tumors account for 30% of systemic malignant tumors, including nasopharyngeal carcinoma, oropharyngeal carcinoma, hypopharyngeal carcinoma, laryngeal cancer, oral cancer, maxillary sinus cancer, nasal ethmoid sinus cancer. Head and neck cancer in different parts of the incidence of malignant tumors in different countries, different regions, different races and different periods are not the same. Nasopharyngeal carcinoma is the highest incidence of head and neck cancer in China; laryngeal cancer is the most common in the United States. head