American journal of surgery · 2020
Completion lymph node dissection for merkel cell carcinoma.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Cramer John D, Suresh Krish, Sridharan Shaum
Аннотация
BACKGROUND: Sentinel lymph node biopsy (SLNB) is widely used for Merkel cell carcinoma (MCC), however in SLNB positive MCC the role of completion lymph node dissection (CLND) with or without adjuvant radiation therapy is unclear.
OBJECTIVE: Our goal was to determine the impact of CLND and adjuvant radiation therapy on survival in SLNB positive MCC.
MATERIALS AND METHODS: We examined 447 patients with MCC with a positive SLNB in the National Cancer Data Base from 2012 to 2015. We compared patients who underwent CLND versus observation with or without adjuvant radiation.
RESULTS: Compared with CLND and adjuvant radiation (reference) treatment with observation (HR 3.54, CI 1.36-9.18) or CLND alone (HR 2.54, CI 1.03-6.27) were associated with worse overall survival after adjusting for clinicopathologic differences. In contrast treatment with adjuvant radiation alone without CLND was not associated with worse overall survival (HR 1.70, CI 0.74-3.92) compared with CLND and adjuvant radiation (reference).
CONCLUSIONS: In SLNB positive MCC, CLND alone is associated with worse survival compared with treatment with adjuvant radiation or both CLND and adjuvant radiation.
OBJECTIVE: Our goal was to determine the impact of CLND and adjuvant radiation therapy on survival in SLNB positive MCC.
MATERIALS AND METHODS: We examined 447 patients with MCC with a positive SLNB in the National Cancer Data Base from 2012 to 2015. We compared patients who underwent CLND versus observation with or without adjuvant radiation.
RESULTS: Compared with CLND and adjuvant radiation (reference) treatment with observation (HR 3.54, CI 1.36-9.18) or CLND alone (HR 2.54, CI 1.03-6.27) were associated with worse overall survival after adjusting for clinicopathologic differences. In contrast treatment with adjuvant radiation alone without CLND was not associated with worse overall survival (HR 1.70, CI 0.74-3.92) compared with CLND and adjuvant radiation (reference).
CONCLUSIONS: In SLNB positive MCC, CLND alone is associated with worse survival compared with treatment with adjuvant radiation or both CLND and adjuvant radiation.