Retrocaval ureter is a rare cause of hydronephrosis. Its rarity and non-specific presentation pose a challenge to surgeons and radiologists in making the correct diagnosis. Differentiation from other causes of urinary tract obstruction, especially the more common urolithiasis, is important for successful surgical management. Current practice has seen multislice computed tomography (MSCT) rapidly replaces intravenous urography (IVU) in the assessment of patients with hydronephrosis due to… CONTINUE READING
Figure 3: A 3-dimensional reconstruction image from the excretory phase of computed tomography showing the normal course and calibre of the left ureter (short arrows). However, the right ureter was not visualised due to inadequate opacification and contrast filling. The contrast is seen pooling in the dilated right renal pelvis and proximal ureter (long arrow).