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Related Concept Videos

Ureters01:22

Ureters

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...
Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

AssessmentSubjective Data: Obtain a detailed health history, including any recent or chronic urinary tract infections, periods of immobilization, previous episodes of renal calculi, and medical conditions such as gout, benign prostatic hyperplasia, or hyperparathyroidism. Review the medication history for drugs that may influence stone formation, including allopurinol, analgesics, loop diuretics, or thiazide diuretics. Document the use of long-term indwelling catheters and any past surgical...
Anatomy of the Genitourinary System II: Bladder and Urethra01:19

Anatomy of the Genitourinary System II: Bladder and Urethra

The lower urinary system consists of the urinary bladder and urethra, which are essential in storing and expelling urine from the body. Together with the internal and external sphincters, these structures work together to regulate urination effectively.Anatomy of the BladderThe urinary bladder is a muscular, stretchable organ behind the pubic bone and in front of the rectum. In females, the bladder is positioned anterior to the vagina and inferior to the uterus, while in males, it is located...
Disorders of the Urinary System01:20

Disorders of the Urinary System

The urinary system is responsible for eliminating waste and excess fluids from the body. However, disorders of the urinary system can arise due to various reasons like infections, stress, age, congenital abnormalities, and lifestyle.
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...
Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...

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Updated: Jul 19, 2026

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
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Published on: October 12, 2017

Obstructive uropathy secondary to ureteroinguinal herniation.

K S Eilber, S J Freedland, J Rajfer

    Reviews in Urology
    |September 21, 2006
    PubMed
    Summary

    This study explored how CT scans can detect ureteral herniation in inguinal hernias. The researchers found that massive herniation can block the ureter, leading to hydronephrosis. CT scans were shown to clearly identify both the herniation and the resulting obstruction. The study supports the use of CT as a diagnostic tool for this rare condition. No new imaging techniques were used, only existing CT protocols. The findings suggest that hydronephrosis is a common outcome of ureteral displacement. The authors propose that CT can help guide treatment decisions. This work adds to the understanding of how imaging can detect rare anatomical issues.

    Keywords:
    ureteral herniationinguinal herniacomputed tomographyhydronephrosis

    Frequently Asked Questions

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    A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
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    A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction

    Published on: December 20, 2014

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    Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
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    A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
    14:05

    A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction

    Published on: December 20, 2014

    Area of Science:

    • Urology
    • Diagnostic imaging in surgical pathology

    Background:

    Ureteral herniation remains a rare complication of inguinal hernias. Prior research has shown that most inguinal hernias involve bowel loops or fat. However, few cases report ureteral involvement. This gap motivated further investigation into how herniation affects urinary tract anatomy. No prior work had resolved the frequency of ureteral obstruction in such hernias. Clinical suspicion often arises from hydronephrosis findings. Diagnostic imaging has advanced to detect subtle anatomical shifts. Yet, the role of CT in identifying ureteral herniation remains underexplored. This paper contributes by linking herniation patterns to obstructive uropathy.

    Purpose Of The Study:

    The authors aimed to clarify the diagnostic value of CT in ureteral herniation cases. They sought to determine if CT can reliably detect both herniation and obstruction. The study focused on obstructive uropathy caused by ureteral displacement. A specific problem was the lack of imaging data on this rare condition. Motivation came from clinical challenges in diagnosing ureteral involvement. The goal was to assess how often hydronephrosis follows ureteral herniation. The paper also aimed to describe the anatomical features on CT scans. This work addresses a gap in diagnostic imaging literature.

    Main Methods:

    The study used retrospective analysis of CT scans from patients with inguinal hernias. Researchers reviewed imaging data for signs of ureteral displacement. They categorized herniation types based on anatomical findings. CT scans were analyzed for hydronephrosis and ureteral positioning. The approach combined imaging interpretation with clinical records. No new imaging techniques were developed for this study. Instead, existing CT protocols were applied to identify herniation. The analysis focused on anatomical correlations with obstructive symptoms.

    Main Results:

    CT scans showed ureteral herniation in patients with inguinal hernias. The strongest finding was the association between herniation and hydronephrosis. Ureteral obstruction occurred in cases of massive herniation. The study found that CT can clearly demonstrate ureteral displacement. No cases of partial herniation were observed in this cohort. The presence of hydronephrosis was a consistent finding. Ureteral length and positioning were key indicators on CT images. These results suggest CT is a reliable tool for diagnosing this condition.

    Conclusions:

    The authors propose that CT is effective in identifying ureteral herniation. They suggest that hydronephrosis is a common consequence of this herniation. The findings imply that CT can guide clinical decisions in these cases. No prior work had confirmed the diagnostic accuracy of CT for this condition. The study supports the use of CT in diagnosing obstructive uropathy. The authors state that ureteral displacement may lead to hydronephrosis. They suggest that imaging findings correlate with clinical symptoms. These conclusions are based on the observed anatomical patterns in the study.

    Yes, the study suggests that CT scans can demonstrate ureteral herniation and associated hydronephrosis.

    The ureter is the primary anatomical structure involved, with obstruction leading to hydronephrosis.

    Hydronephrosis is a common consequence of ureteral obstruction caused by massive herniation.

    Computed tomography is proposed as a reliable method for detecting ureteral herniation and hydronephrosis.

    Ureteral herniation involves displacement of the ureter, whereas typical hernias involve bowel or fat.

    The study suggests that CT findings can guide diagnosis and management of obstructive uropathy in these cases.