To apply a decision analytic model to determine whether the addition of magnetic resonance (MR) lymphography to the diagnostic workup of patients with intermediate or high probability of lymph node metastases is cost effective from a health care perspective.
Department of Epidemiology, Biostatistics and Health Technology Assessment, Radboud University Nijmegen Medical Centre, Geert Grooteplein 21, 6525 EZ Nijmegen, the Netherlands.