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  • Title: [Lateral neck dissection of hypopharyngeal cancer with clinically regional metastasis].
    Author: Wang X, Tang P, Tu G.
    Journal: Zhonghua Er Bi Yan Hou Ke Za Zhi; 2000 Jun; 35(3):175-7. PubMed ID: 12768770.
    Abstract:
    OBJECTIVE: To assess whether lateral neck dissection can control the hypopharyngeal cancer with clinically regional metastasis. METHODS: A retrospective review of medical chart from 1975 to 1992 was performed. Ninety-three hypopharyngeal squamous cell carcinoma patients who had performed RND were included. The distribution of metastatic neck lymph node was analyzed. RESULTS: Submandibular triangle lymph node metastasis was occult in only 3 patients. Histological lymph node metastasis to the posterior triangle was found in 5.9% of patients with N0, 7.0% with N1, 37.5% with N2a and 36% with N2b-N3. Histological neck lymph node metastasis to the posterior triangle was found in 4.0% of patients without inferior jugular lymph node metastasis and 34.1% of patients with inferior jugular lymph node metastasis. CONCLUSIONS: Lateral neck dissection was recommended to treat hypopharyngeal cancers of N0 and N1. N2 and N3 should be treated with neck dissection including II-V group lymph nodes. After lateral neck dissection, frozen section of the inferior jugular lymph node should be performed. If the result of the frozen section is positive, V group dissection should be performed.
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