Abstract
Objective
The primary aims were to determine the rates of and prognostic factors for overall survival, disease specific survival and disease free survival following salvage total laryngectomy.
Design
Retrospective longitudinal study.
Setting
Tertiary medical centers.
Participants
142 patients in Eastern Denmark undergoing salvage total laryngectomy for squamous cell carcinoma of the larynx or hypopharynx.
Main outcome measures
Five-year overall survival, 5-year disease specific survival, 5-year disease free survival and prognostic factors for these outcomes.
Results
Five-year overall survival, disease specific survival and disease free survival were 37.7%, 54.9% and 55.3%, respectively. N classification at primary diagnosis, lymph node excision and postoperative complications within one year after salvage total laryngectomy were prognostic factors for shorter overall survival, disease specific survival and disease free survival. Residual tumor/recurrence was negatively associated with overall survival, close or involved resection margins with disease specific survival and second primary cancer was associated with longer disease specific survival and disease free survival. Nine percent of all patients had residual tumor and 33.8% developed a recurrence.
Conclusion
Our overall survival, disease specific survival and disease free survival findings are in accordance with previous studies. With the purpose of identifying recurrent tumor, we suggest extra attention being given to patients with higher N classification and need for lymph node excision during salvage total laryngectomy along with use of frozen sections. The high number of patients with recurrence within one year after salvage total laryngectomy occurred although thorough and regular follow-up visits were performed.
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