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Related Concept Videos

Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
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...
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 I: Introduction01:28

Urinary Tract Calculi I: Introduction

Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
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...
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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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A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
14:05

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Published on: December 20, 2014

Matrix stone in ureter and bladder simultaneously.

Ying Yang1, Nan Chen, Wei Xu

  • 1Department of Radiology, Xuanwu Hospital, Capital Medical University, No. 45, Chang-Chun Street, Xicheng District, Beijing 100053, People's Republic of China.

Japanese Journal of Radiology
|August 18, 2012
PubMed
Summary
This summary is machine-generated.

This study details rare urinary matrix stones found in the ureter and bladder of a patient with diabetes. Imaging revealed calcified stones with internal gas, a unique presentation.

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Area of Science:

  • Nephrology
  • Urology
  • Radiology

Background:

  • Matrix stones are an uncommon type of urinary calculus.
  • Diabetes mellitus is a known risk factor for various urinary tract complications.

Observation:

  • A patient with a history of diabetes mellitus presented with urinary tract issues.
  • Imaging studies were performed to investigate the cause of the patient's symptoms.

Findings:

  • Computed tomography (CT) revealed urinary matrix stones in the left ureter and bladder.
  • The stones exhibited a calcified periphery enclosing a significant amount of gas.
  • This represents the first documented instance of simultaneous ureteral and bladder matrix stones.

Implications:

  • This case expands the understanding of matrix stone formation and presentation.
  • The presence of gas within the stones warrants further investigation into its formation mechanism.
  • Highlights the importance of advanced imaging in diagnosing rare urinary calculi, especially in diabetic patients.