Özdogan, ÖAtes, OKart, YAras, FOlguner, MAkgür, FDurak, H2025-04-102025-04-102146-1414http://hdl.handle.net/20.500.14701/39818The 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.EnglishArticle2147-1959