Retrokavaler Ureter kombiniert mit retroperitonealer Fibrose: Ein Fallbericht

Abstract Differential diagnosis of right ureteral obstruction includes such rare conditions as retrocaval ureter and retroperitoneal fibrosis. We here report on a patient with retroperitoneal fibrosis associated with a retrocaval ureter. A 47 year old man presented with diffuse pain in both lower quadrants and flanks, weakness and weight loss of 7 kg over 3 weeks. Radiologic investigation revealed a retrocaval ureter in combination with retroperitoneal fibrosis leading to a dicompensated obstuction of right upper urinary tract. Surgical exploration was performed through a right flank incision for both, diagnosti…