Head & neck · 1998
Implications of cartilage invasion in surgically treated laryngeal carcinoma.
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Fagan J J, D'Amico F, Wagner R L, Johnson J T
Аннотация
BACKGROUND: Cartilage invasion adversely affects the outcome of laryngeal carcinoma treated with radiotherapy. The UICC and American Joint Committee on Cancer (AJCC) classify laryngeal carcinoma with cartilage invasion as T4 or stage IV.
METHODS: This study examines the prognostic significance of cartilage involvement in T3,4 N0,1 glottic carcinoma treated with total laryngectomy. Patients with tumor extension to pharynx, tongue, and thyroid gland, extracapsular spread, positive resection margins, and less than 2 years' follow-up were excluded.
RESULTS: Sixty-seven pT3 (cartilage free of tumor) and 37 pT4 (cartilage invaded by tumor) cases were studied. The difference between the pT3 and pT4 groups in terms of local or regional recurrence, distant metastasis, and determinate survival was not significant.
CONCLUSIONS: The results of this study question the use of cartilage invasion as a staging parameter for surgically treated laryngeal carcinoma. However, further studies with larger sample sizes are required to fully elucidate the prognostic significance, if any, of cartilage invasion in surgically treated cancer of the larynx.
METHODS: This study examines the prognostic significance of cartilage involvement in T3,4 N0,1 glottic carcinoma treated with total laryngectomy. Patients with tumor extension to pharynx, tongue, and thyroid gland, extracapsular spread, positive resection margins, and less than 2 years' follow-up were excluded.
RESULTS: Sixty-seven pT3 (cartilage free of tumor) and 37 pT4 (cartilage invaded by tumor) cases were studied. The difference between the pT3 and pT4 groups in terms of local or regional recurrence, distant metastasis, and determinate survival was not significant.
CONCLUSIONS: The results of this study question the use of cartilage invasion as a staging parameter for surgically treated laryngeal carcinoma. However, further studies with larger sample sizes are required to fully elucidate the prognostic significance, if any, of cartilage invasion in surgically treated cancer of the larynx.