Ureteral valves are a rare malformation, with an incidence of 1 in 5000-8000 live births Urological malformations are associated with 50% of cases according to the current literature We report 4 cases treated in our hospital from 2004 to 2012 Three of the patients had renal dysgenesis, one case associated with complete urethral duplication, and another case associated with a ureteral atresia

Valvas ureterales: revisión de la literatura y descripción de 4 nuevos casos

https://link.springer.com/content/pdf/10.1186/s12301-020-00069-y.pdf

Double trouble: diagnostic dilemma in a rare association of proximal ureteric valve with orthotopic ureterocele—case report

Urétéro-hydronéphrose révélant une cause rare d’obstruction urétérale : valve urétérale congénitale

Valvas ureterales: revisión de la literatura y descripción de 4 nuevos casos R. Montoya-Chinchilla a,∗ , M.J. Guirao-Pib y L. Nortes-Cano b

Introduction: Most congenital ureteral strictures occur at the ureteropelvic or ureterovesical junction in children. Rare causes of hydronephrosis are congenital midureteral strictures. Definitive preoperative diagnosis is clinically challenging, and most patients are misdiagnosed preoperatively. Case presentation: We report 9 years old female child hydronephrosis. Renal scintigraphy with DTPA; revealed a normally functioning left kidney with split renal function of 47% and an obstructive pattern. Furthermore; Congenital Mid ureteric stricture is typically not diagnosed preoperatively, and definite diagnoses have been reached via retrograde assessment of the ureter; and surgical resection-anastomoses of the obstructed right ureteral tract allowed establishing normal ability of urine outflow. Conclusion: Pre-operative detection of Congenital Midureteric stricture is clinically challenging and requires a high level of attention. Whenever we observe a dilation of only the proximal segment of the ureter, we should keep this diagnosis in mind and discuss the images in detail with an experienced radiologist. The diagnosis should not be delayed in order to apply the appropriate approach surgery.

Congenital Mid Ureteric Stricture: Case Report and Review of the Literature

Ureteric valves are a rare cause of ureteric obstruction. Fifty cases have been described in the literature. We report two new cases. The first is of a 12-year-old child with left multiple ureteric valves associated to bilateral vesico-ureteric reflux. The patient was treated by uretero-ileoplasty with unfavourable evolution to renal failure. The second case is that of a proximal ureteric valve discovered in a 30-year-old woman who had postpartum acute pyelonephritis. Treatment consisted in ureteric resection-anastomosis with favourable outcome. Based on a review of the literature, we discuss epidemiologic, etiologic, diagnostic and therapeutic aspects of this malformation.

Les valves de l'uretère : à propos de deux observations

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Les valves de l'uretère : à propos de deux observations