The aim of this systematic review and meta-analysis was to determine the oncological outcomes of salvage transoral laser microsurgery (TLM) in the treatment of patients suffering from recurrent laryngeal cancer. We demonstrated that TLM is a valuable treatment option for the management of locally recurrent laryngeal carcinoma if performed by experienced surgeons and following rigorous patients' selection criteria. Further studies should be conducted to define stage-based clinical guidelines.
Objective
To determine the oncological outcomes of salvage transoral laser microsurgery (TLM) in the treatment of patients suffering from recurrent laryngeal cancer.
Methods
PubMed/MEDLINE, Cochrane Library, and Scopus databases were searched. English language, original studies investigating oncological outcomes of TLM in adult patients with recurrent laryngeal cancer were included. Data were pooled using a distribution-free approach for estimating summary local control (LC), disease-specific survival (DSS), and overall survival (OS) curves with random effects.
Results
Two hundred and thirty-five patients underwent salvage TLM after primary (chemo)radiotherapy. The mean follow-up time was 60.8 months (95% CI: 32.7–88.9). Estimated pooled LC rates (95% CI) at 1, 3 and 5 years were 74.2% (61.7–89.4), 53.9% (38.5–75.3), and 39.1% (25.2–60.8). Estimated pooled DSS rates (95% CI) at 1, 3 and 5 years were 88.4% (82.0–95.3), 67.8% (50.9–90.3), and 58.9% (42.7–81.1). Two hundred and seventy-one patients underwent TLM after primary laser treatment. The mean follow-up time was 70.9 months (95% CI: 36.9–104.9). Estimated pooled LC rates (95% CI) at 1, 3 and 5 years were 72.2% (64.7–80.6), 53.2% (42.2–66.9), and 40.4% (29.6–55.2). Estimated pooled DSS rates (95% CI) at 1, 3 and 5 years were 92.1% (85.5–99.1), 77.0% (64.4–92.0), and 67.1% (51.6–87.3).
Conclusions
TLM is a valuable treatment option for the management of locally recurrent laryngeal carcinoma if performed by experienced surgeons and following rigorous patients' selection criteria. Further studies should be conducted to define stage-based clinical guidelines.
Level of Evidence
NA Laryngoscope, 2022
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