Retrocaval ureter (RCU) is a rare congenital anomaly in which the ureter passes posterior to the inferior vena cava (IVC). A little over 200 cases have been reported worldwide since Hochstetter's first report in 1893. We present two cases of retrocaval ureter which were successfully managed at the Cape Coast Teaching Hospital in Ghana. A 55-year-old woman presented with a history of dull right flank pain of 2 years duration. Physical examination and basic laboratory investigations performed on her were normal. Abdominal ultrasound showed right hydronephrosis and a retrograde right ureteropyelogram (RPG) showed right hydroureteronephrosis with an "S" shaped proximal ureter. A diagnosis of retrocaval ureter was made and confirmed at surgery. A 25-year-old man presented with dull intermittent right flank pain of 1 year duration. Clinical examination and laboratory investigation were normal. Abdominal ultrasound showed right hydronephrosis and a CT urogram made a diagnosis of retrocaval ureter which was confirmed at surgery. Retrocaval ureter is a rare congenital anomaly that is now increasingly being reported. Surgical treatment of symptomatic cases successfully relieves symptoms.
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http://dx.doi.org/10.1155/2019/2815748 | DOI Listing |
J Med Case Rep
November 2024
Department of Surgery, School of Clinical Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania.
Background: The retrocaval ureter is a rare congenital anomaly resulting from abnormal development of the inferior vena cava. The obstruction is usually at the retrocaval segment of the ureter, as it lies between the inferior vena cava and the body of the third lumbar vertebra. Computed tomography intravenous urography is the gold standard for investigating this condition and can reveal ipsilateral hydronephrosis and the fishhook sign or sickle sign of the proximal ureter, depending on the type of retrocaval ureter.
View Article and Find Full Text PDFInt J Surg Case Rep
December 2024
Department of Radiology, Ayder Comprensive Specialized Hospital, Mekelle University, Ethiopia.
Introduction: The combination of a horseshoe kidney with a retrocaval ureter in one patient is extremely rare.
Presentation Of Case: A 12-year-old adolescent presented with the compliant of absent testis in the right scrotum since birth with incidental radiologic finding of horseshoe kidney with retrocaval ureter.
Clinical Findings And Investigations: Physical examination was unremarkable except for a left non-palpable testis.
IJU Case Rep
November 2024
Division of Urology Japan Community Health Care Organization, Isahaya General Hospital Nagasaki Japan.
Introduction: Retrocaval ureter is a rare congenital anomaly that causes ureteral obstruction. Because of the rarity of retrocaval ureter, only a few cases of open, laparoscopic, or robot-assisted surgery have been reported. We herein report a case of retrocaval ureter that was successfully reconstructed with robot-assisted surgery.
View Article and Find Full Text PDFRadiol Case Rep
December 2024
Department of Radiodiagnosis, National Academy of Medical Sciences, Kathmandu, Nepal.
Hydronephrosis, characterized by the dilation of the renal pelvis and calyces, often results from obstructive uropathy, commonly due to ureterolithiasis. However, rare congenital anomalies, such as a retrocaval ureter (RCU)-where the ureter passes behind the inferior vena cava- can also cause hydronephrosis. This case report describes an 11-year-old male presenting with right-sided flank pain and hematuria.
View Article and Find Full Text PDFJ Clin Ultrasound
November 2024
Department of Radiology, Bagcilar Training and Research Hospital, University of Health Sciences, Istanbul, Turkey.
Retrocaval ureter is a rare congenital anomaly. It usually occurs on the right side and cases on the left side without accompanying conditions such as situs inversus or double inferior vena cava (IVC) are uncommon. Instances of left retrocaval ureter without situs inversus or double IVC are rarely reported in the literature, and there are no cases presented sonographically.
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