Lymph Node Sampling in Pediatric Renal Tumors: Survey of Current Practices and Impact of Education.
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OBJECTIVE: To characterize how often and to what extent surgeons are willing to perform retroperitoneal node sampling (RPLNS) for a unilateral renal tumor, and whether they would be encouraged to change goal number of LNs after "targeted education" (TE) METHODS: A survey with selected demographic and LN sampling practice questions was distributed to practicing members of the Society of Pediatric Urology (SPU). After answering a 7-question questionnaire, participants were provided with an abstract on the adequacy of LN yield for staging. This served as the TE and then participants were asked to answer a final question on LN sampling goals. RESULTS: A total of 76 (19.2%) of participants, out of 395 invitations, returned complete surveys. Cross tabulation between sampling goals before and after TE showed that among surgeons sampling 1-4 nodes, 13/24 (54.16%) would be willing to change their practice and sample ≥10 nodes. A higher proportion of participants who were already systematically surveilling 5-9 LNs would be willing to change their current practice: 30/39 (77%) would now aim for ≥10 LNs. On multivariate analysis, only willingness to sample ≥5 LNs in current practice was predictive of changing to sample ≥10 LNs after TE. CONCLUSION: Retroperitoneal LNs are currently still under sampled by pediatric urologists operating on children and adolescents with unilateral renal tumors. TE appears to encourage change in LN sampling practices.