Özdogan, ÖAtes, OKart, YAras, FOlguner, MAkgür, FDurak, H2024-07-182024-07-182146-14142147-1959http://akademikarsiv.cbu.edu.tr:4000/handle/123456789/7880The diagnosis of yo-yo reflux in patients with incomplete upper collecting system duplications is difficult. We report a case with recurrent urinary tract infections and ultrasonographically detected duplication in the left collecting system in which the presence of yo-yo reflux is demonstrated with dynamic renal scintigraphy.EnglishArticle