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1984年法国头颈研究小组对伴有颈淋巴结受累的313例T_1或T_2期的喉咽癌进行了多中心回顾性和前瞻性研究,男312例,女1例,平均年龄58岁(35～85岁),梨状窝癌181例,喉上(epilarynx)癌(指肿瘤侵及喉边缘)132例,58例N_1,179例N2(102N_(2a)、52N_(2b)、25N_(2c)),76例N_3,颈上部淋巴结受累者占55%,颈中部占28%,颈下部占17%。各治疗中心采用了三种治疗方案:P_1根治性颈淋巴结清扫后对原发灶和颈部进行放疗,65例;P_2根治性颈清扫及功能性部分喉咽切除术后放疗,53例;
In 1984, the French Head and Neck Research Group conducted a multicenter retrospective and prospective study of 313 cases of T_1 or T_2 stage hypopharyngeal cancer with cervical lymph node involvement, with 312 males and 1 female, with an average age of 58 years (35-85). (years old), 181 cases of piriform carcinoma, 132 cases of epilarynx cancer (tumor invading the throat), 58 cases of N1, 179 cases of N2 (102N_(2a), 52N_(2b), 25N_(2c)) Among 76 cases of N_3, 55% were affected by upper cervical lymph nodes, 28% in the middle neck, and 17% in the lower neck. Three treatment options were used in each treatment center: P_1 radical neck dissection followed by radiotherapy to the primary tumor and neck, 65 patients; P 2 radical neck dissection and functional partial resection after radiotherapy, 53 patients;