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Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...

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Ureters

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The ureters are retroperitoneal tubes located on either side of the vertebral column. They are responsible for transporting urine from each kidney to the urinary bladder. These tubes have thick walls and are approximately 25-30 cm long. Their diameter is around 10 mm at the renal pelvis, gradually narrowing to 1 mm as the ureter obliquely enters the posterior bladder wall through the ureteric orifices. The shape of these orifices is slit-like, which helps to prevent urine backflow toward the...

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Retrocaval Ureter: Clinical Images.

Pradeep Agrawal¹, Ravi Prakash Kanojia¹, Akshay Saxena²

¹Department of Pediatric Surgery, PGIMER, Chandigarh, India.

Journal of Indian Association of Pediatric Surgeons

|July 12, 2017

Summary

This summary is machine-generated.

Retrocaval ureter (RCU) is a rare congenital anomaly where the ureter encircles the inferior vena cava (IVC). This case study details the diagnosis and successful retroperitoneoscopic uretero-ureterostomy in a pediatric patient.

Keywords:

Hydronephrosis pediatric retrocaval ureter retroperitoneoscopy

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Area of Science:

Urology
Pediatric Surgery
Medical Imaging

Background:

Retrocaval ureter (RCU) is a rare congenital anomaly characterized by the ureter's abnormal course posterior to the inferior vena cava (IVC).
This condition can lead to urinary stasis and complications like hydronephrosis, though it is often asymptomatic.

Observation:

A 10-year-old boy presented with symptoms suggestive of a urinary tract anomaly.
Diagnostic imaging, including ultrasound and computed tomography (CT), confirmed the presence of a retrocaval ureter.

Findings:

The imaging studies clearly delineated the retrocaval course of the ureter, establishing the diagnosis of RCU.
The patient's anatomy necessitated surgical intervention to correct the ureteral malposition.

Implications:

Surgical correction of retrocaval ureter is crucial for preventing long-term complications such as infection and renal damage.
Minimally invasive techniques like retroperitoneoscopic uretero-ureterostomy offer effective treatment with potential for faster recovery.
This case highlights the importance of advanced imaging in diagnosing rare congenital urogenital anomalies in children.