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  • Title: [Nonepithelial malignant neoplasms of the larynx and hypopharynx].
    Author: Cai X, Wang T, Shi L.
    Journal: Zhonghua Er Bi Yan Hou Ke Za Zhi; 1998 Apr; 33(2):113-6. PubMed ID: 11498851.
    Abstract:
    OBJECTIVES: Nonepithelial Malignant Neoplasms of the larynx and hypopharynx are rare. Their clinical features, diagnosis and treatment were discussed. METHODS: From 1985 to 1996, 23 cases of nonepithelial malignant neoplasms of the larynx and 3 cases of hypopharynx were diagnosed. There were 21 males and 5 females. Age of the patients ranged from 16 to 65 years. Laryngeal tumours included 11 cases of sarcomas, 1 extramedullary plasmocytoma, 9 lymphomas and 2 malignant melanomas. Hypopharyngeal tumours included 1 leiomyosarcoma and 2 malignant melanomas. Extensive resection was the first treatment for 21 patients. Then, according to their histopathologic features, irradiation or/and chemotherapy were chosen. RESULTS: Follow-up period was from 6 months to 10 years. There were 12 patients survived for 4 to 10 years, including 6 cases of laryngeal sarcomas, 2 supraglottic lymphomas, 2 malignant melanomas of the larynx, 1 malignant melanoma and 1 leiomyosarcoma of the hypopharynx. CONCLUSIONS: Characteristics for these tumours were: 1. usually covered by intact mucosa; 2. laryngeal tumours rarely metastasize to the cervical lymph nodes; 3. difficulties in histopathological diagnosis, and immunohistochemistry is helpful to differentiation and determination.
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