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Urine Studies I: Urinalysis

Urine Studies I: Urinalysis

Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...

Imaging Studies IV: Magnetic Resonance Imaging

Imaging Studies IV: Magnetic Resonance Imaging

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,...

Urinary Tract Calculi III: Medical Management

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 II: Pathophysiology and Clinical Manifestations

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 Infection III: Diagnostic Studies and Interprofessional Care

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...

Urinary Bladder

Urinary Bladder

The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...

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Urinary markers for bladder cancer.

Zachary L Smith¹, Thomas J Guzzo

¹Division of Urology, Hospital of the University of Pennsylvania, Perelman Center for Advanced Medicine 3rd Floor, West Pavilion, 3400 Civic Center Blvd Philadelphia, PA 19104.

F1000Prime Reports

|July 19, 2013

Summary

This summary is machine-generated.

Bladder cancer surveillance can be improved using urinary markers. This review discusses approved and investigational urinary tests for early bladder cancer detection and monitoring recurrence.

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Area of Science:

Urology
Oncology
Biomarkers

Background:

Bladder cancer is a common malignancy in the US with high recurrence rates.
Lifelong surveillance is necessary for bladder cancer patients post-diagnosis.
Urinary markers are of significant interest to improve bladder cancer management.

Purpose of the Study:

To review current urinary markers for bladder cancer.
To discuss the application of these markers in screening and surveillance.
To highlight markers approved for clinical use.

Main Methods:

Literature review of urinary markers for bladder cancer.
Analysis of marker applications in clinical trials.
Discussion of approved urinary diagnostic tests.

Main Results:

Numerous urinary markers have been investigated for bladder cancer.
Some markers have progressed through clinical trials and are approved for use.
Urinary markers show potential for simplifying surveillance and improving early detection.

Conclusions:

Urinary markers offer a promising approach to bladder cancer screening and surveillance.
Approved markers can aid in early tumor detection and recurrence monitoring.
Further research into investigational markers may enhance bladder cancer care.