Acta oto-laryngologica · 2022
Ultrasound-assisted resection of oral tongue cancer.
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Nilsson Olof, Knutsson Johan, Landström Fredrik J, Magnuson Anders, von Beckerath Mathias
Аннотация
BACKGROUND: In surgical resection of squamous cell carcinoma of the oral tongue (SCCOT), achieving clear margins is important for prognosis. Insufficient histopathological margins are common, particularly deep margins.
AIMS/OBJECTIVES: The aim of the present study was to determine whether ultrasound (US)-assisted resection could decrease the proportion of insufficient histopathological deep margins in SCCOT.
MATERIAL AND METHODS: 34 patients with SCCOT undergoing US-assisted resection (study group) were compared to 76 whose resections were performed without US (conventional group). Outcome measures were insufficient deep histopathological resection margins and mean difference in deep margins.
RESULTS: Insufficient deep resection margins (<5.0 mm) were seen in 8 of 34 (23.5%) in the study group, compared to 31 of 76 (40.8%) in the conventional group, unadjusted RR 0.58 [95% CI 0.30-1.12; p = .11], adjusted RR 0.82 [95% CI 0.35-1.92; p = .64]. Unadjusted mean difference was 1.4 mm (95% CI 0.1-2.7, p = .04), adjusted mean difference 1.1 mm (95% CI -2.7 to 0.5, p = .19).
CONCLUSIONS: Intraoperative US can visualize the deep resection margins in T1/T2 SCCOT. US-assisted resection seems to decrease the number of insufficient histopathological deep margins, though the results are not statistically significant. Comparatively good results in the conventional group is one explanation for the lack of significance.
CLINICALTRIALS.GOV ID: NCT04059861.
AIMS/OBJECTIVES: The aim of the present study was to determine whether ultrasound (US)-assisted resection could decrease the proportion of insufficient histopathological deep margins in SCCOT.
MATERIAL AND METHODS: 34 patients with SCCOT undergoing US-assisted resection (study group) were compared to 76 whose resections were performed without US (conventional group). Outcome measures were insufficient deep histopathological resection margins and mean difference in deep margins.
RESULTS: Insufficient deep resection margins (<5.0 mm) were seen in 8 of 34 (23.5%) in the study group, compared to 31 of 76 (40.8%) in the conventional group, unadjusted RR 0.58 [95% CI 0.30-1.12; p = .11], adjusted RR 0.82 [95% CI 0.35-1.92; p = .64]. Unadjusted mean difference was 1.4 mm (95% CI 0.1-2.7, p = .04), adjusted mean difference 1.1 mm (95% CI -2.7 to 0.5, p = .19).
CONCLUSIONS: Intraoperative US can visualize the deep resection margins in T1/T2 SCCOT. US-assisted resection seems to decrease the number of insufficient histopathological deep margins, though the results are not statistically significant. Comparatively good results in the conventional group is one explanation for the lack of significance.
CLINICALTRIALS.GOV ID: NCT04059861.