American journal of surgery · 2021
Lymphadenectomy in gallbladder adenocarcinoma: Are we doing enough?
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Papageorge Marianna V, de Geus Susanna W L, Woods Alison P, Ng Sing Chau, Drake F Thurston, Merrill Andrea, Cassidy Michael R, McAneny David, Tseng Jennifer F, Sachs Teviah E
Аннотация
BACKGROUND: Current AJCC guidelines recommend evaluating ≥6 lymph nodes during gallbladder cancer resection but real world data suggest this is rarely achieved. We evaluated the extent of lymphadenectomy and survival among patients with gallbladder adenocarcinoma.
METHODS: Patients with resected pT1b-T3 gallbladder adenocarcinoma were identified from the NCDB (2004-2017). Propensity scores were created for the odds of sufficient lymphadenectomy (≥6 nodes), patients were matched 1:1 and survival was analyzed using the Kaplan-Meier method.
RESULTS: Overall, 4760 patients were identified: 16.7% underwent sufficient lymphadenectomy, which was predictive of nodal disease (OR 1.77, 95%CI 1.51-2.08) and demonstrated a survival benefit in N0 (median OS 140.8 versus 44.4 months; p < 0.0001) and N1-2 disease (median OS 27.7 versus 17.7 months; p < 0.0001) after matching.
CONCLUSIONS: The majority of patients with gallbladder adenocarcinoma do not undergo the recommended nodal dissection, resulting in a survival disadvantage, likely due to understaging, decisions regarding adjuvant therapy and local tumor recurrence.
METHODS: Patients with resected pT1b-T3 gallbladder adenocarcinoma were identified from the NCDB (2004-2017). Propensity scores were created for the odds of sufficient lymphadenectomy (≥6 nodes), patients were matched 1:1 and survival was analyzed using the Kaplan-Meier method.
RESULTS: Overall, 4760 patients were identified: 16.7% underwent sufficient lymphadenectomy, which was predictive of nodal disease (OR 1.77, 95%CI 1.51-2.08) and demonstrated a survival benefit in N0 (median OS 140.8 versus 44.4 months; p < 0.0001) and N1-2 disease (median OS 27.7 versus 17.7 months; p < 0.0001) after matching.
CONCLUSIONS: The majority of patients with gallbladder adenocarcinoma do not undergo the recommended nodal dissection, resulting in a survival disadvantage, likely due to understaging, decisions regarding adjuvant therapy and local tumor recurrence.