Publication date: Available online 6 January 2018
Source:European Journal of Radiology
Author(s): Felix O. Hofmann, Julian W. Holch, Volker Heinemann, Ingrid Ricard, Maximilian F. Reiser, Alena B. Baumann, Nina Hesse, Melvin D'Anastasi, Dominik P. Modest, Sebastian Stintzing, Wieland H. Sommer
PurposeTo determine the prognostic impact of radiologically enlarged lymph nodes ≥ 10 mm on the survival of patients with metastatic colorectal cancer.Materials and methodsThe prospective, randomized, open-label FIRE-3/AIO KRK0306 trial evaluated the first-line therapy of patients with KRAS exon 2 wild-type metastatic colorectal cancer with fluorouracil, folinic acid and irinotecan plus either cetuximab or bevacizumab. In the RAS wild-type population (n = 400), adequately evaluable baseline computed tomographies (n = 339) were reviewed for enlarged regional and distant lymph nodes. Their prognostic relevance was retrospectively analyzed in uni- and multivariable Cox proportional hazard regressions.ResultsMedian overall survival was 21.7 months in patients with enlarged lymph nodes and 33.2 months in patients without (hazard rate ratio [HR] = 1.61, 95% confidence interval [CI], 1.23-2.09; P < 0.001). This was confirmed in multivariable analysis (HR = 1.37, 95% CI, 1.02-1.83; P = 0.036). Progression-free survival of patients with enlarged lymph nodes showed a consistent but insignificant trend (9.9 vs. 11.1 months; HR = 1.23, 95% CI, 0.98-1.54; P = 0.072). Enlarged lymph nodes were also associated with BRAF-mutations (P = 0.004).ConclusionThe presence of radiologically enlarged lymph nodes in baseline staging has a negative prognostic value beyond established and potential prognostic parameters.
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Σάββατο 6 Ιανουαρίου 2018
Prognostic value of radiologically enlarged lymph nodes in patients with metastatic colorectal cancer: subgroup findings of the randomized, open-label FIRE-3/AIO KRK0306 trial
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