Lymphadenectomy in gallbladder adenocarcinoma: Are we doing enough? - 20/06/22
Abstract |
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.
Le texte complet de cet article est disponible en PDF.Highlights |
• | National guidelines recommend ≥6 lymph nodes for gallbladder cancer surgery. |
• | Most patients with gallbladder adenocarcinoma do not undergo this recommendation. |
• | Sufficient lymphadenectomy is associated with nodal disease and a survival benefit. |
• | Insufficient lymphadenectomy may lead to understaging and local tumor recurrence. |
Keywords : Lymphadenectomy, Gallbladder adenocarcinoma, Staging, Tumor recurrence
Plan
Vol 224 - N° 1PB
P. 423-428 - juillet 2022 Retour au numéro
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