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Surgical salvage after failed radiation for paranasal sinus malignancy
A J Curran1, P J Gullane, J Waldron
1University of Toronto, Department of Otolaryngology, Toronto General Hospital, Ontario, Canada.
The Laryngoscope
|November 18, 1998
Summary
Surgical salvage offers limited benefit for paranasal sinus cancer after initial treatment failure. Early detection through surveillance and prompt surgery may improve outcomes for these challenging cases.
Area of Science:
- Otolaryngology
- Surgical Oncology
- Radiation Oncology
Background:
- Paranasal sinus malignancies require multimodal treatment.
- Treatment failure necessitates consideration of salvage options.
- Surgical salvage is a potential, but often limited, intervention.
Purpose of the Study:
- To evaluate the role and outcomes of surgical salvage for paranasal sinus cancer following failed initial therapy.
- To identify factors influencing survival and recurrence after salvage surgery.
Main Methods:
- Retrospective analysis of 180 patients treated between 1976 and 1993.
- Focus on 34 patients who underwent surgical salvage after initial treatment failure (radiation or combined therapy).
- Analysis of patient, tumor (T-stage), and surgical variables, alongside survival and recurrence rates.
Main Results:
- Two- and 5-year overall survival from diagnosis were 54% and 35%; from salvage surgery, 44% and 22%.
- Advanced age, T4 tumors, and squamous cell carcinoma correlated with poorer outcomes.
- Local failure was the primary cause of death (65% of cases).
Conclusions:
- Surgical salvage has a restricted role in managing persistent or progressive paranasal sinus malignancy.
- Close post-treatment surveillance, including endoscopic biopsy, is crucial.
- Timely surgical resection when indicated may enhance salvage rates.