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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

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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Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
364
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

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Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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Transcaval Ureter: Multidetector Computed Tomography Demonstration.

Carmelo Sofia1, Sergio Racchiusa1, Carlo Magno2

  • 1Department of Biomedical Sciences and Morphologic and Functional Imaging, Policlinico "G. Martino", University of Messina, Messina, Italy.

Urology
|July 6, 2015
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Summary
This summary is machine-generated.

A rare congenital anomaly, transcaval ureter, involves duplicated inferior vena cava forming a ring around the right ureter, often causing hydroureteronephrosis. Multidetector computed tomography effectively visualized this rare condition, aiding diagnosis and surgical planning.

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Area of Science:

  • Urology
  • Radiology
  • Vascular Surgery

Background:

  • Transcaval ureter is a rare congenital anomaly where duplicated inferior vena cava encases the right ureter.
  • This condition typically leads to hydroureteronephrosis and can be mistaken for retroperitoneal masses.
  • Early diagnosis is crucial for surgical planning and avoiding complications.

Observation:

  • A case of transcaval ureter was studied using multidetector computed tomography (MDCT).
  • MDCT provided detailed multiplanar and volume-rendering reconstructions of the anomaly.
  • This imaging approach confirmed the vascular ring structure around the ureter.

Findings:

  • The study successfully visualized the complex anatomy of transcaval ureter using MDCT.
  • Multiplanar and volume-rendering techniques offered comprehensive anatomical detail.
  • This case highlights the utility of advanced CT imaging in diagnosing rare urogenital anomalies.

Implications:

  • Accurate diagnosis of transcaval ureter via MDCT prevents misdiagnosis of other retroperitoneal conditions.
  • Preoperative knowledge of this anomaly aids surgeons in planning interventions.
  • Advanced imaging techniques improve the understanding and management of rare congenital urogenital anomalies.