Pelvi-ureteric junction (PUJ) obstruction is a well-recognized entity that may present at any time – in fetal life, infancy, childhood, or early or late adulthood. As the most common site of obstruction in the upper urinary tract. There has been an improved understanding of the pathophysiology of primary congenital PUJ obstruction that has been reflected in the evolution of surgical options, from open surgical repair to minimally invasive surgery. This article discusses the surgical management of this condition along with the pathogenesis, clinical presentation, and diagnosis of PUJ obstruction.

Keywords: Kidney; Kidney pelvis; Ureteral obstruction; Surgery; percutaneous.