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Urinary Bladder01:23

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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.
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Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

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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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Anatomy of the Genitourinary System II: Bladder and Urethra01:19

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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...
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Nursing Assessment of the Genitourinary System II: Inspection and Palpation01:26

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The nursing assessment of the genitourinary (GU) system involves a systematic inspection and palpation to identify abnormalities in the kidneys, bladder, and surrounding structures.InspectionMouth: Inspect for signs of kidney dysfunction, such as stomatitis (inflammation of the mouth) and ammonia breath, which may occur in advanced kidney disease due to the buildup of urea, breaking down into ammonia.Skin: Check for pallor, which could indicate anemia caused by kidney disease. Look for...
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Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
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Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

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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...
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Updated: Mar 18, 2026

An Orthotopic Bladder Cancer Model for Gene Delivery Studies
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Bladder cancer.

Ashish M Kamat1, Noah M Hahn2, Jason A Efstathiou3

  • 1Department of Urology, University of Texas MD Anderson Cancer Center, Houston, TX, USA.

Lancet (London, England)
|June 28, 2016
PubMed
Summary
This summary is machine-generated.

Early diagnosis and tailored treatment are crucial for managing bladder cancer. Treatment strategies vary from intravesical therapies for non-muscle-invasive tumors to radical cystectomy or bladder-sparing options for muscle-invasive disease, with immunotherapy emerging for advanced stages.

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An Orthotopic Model of Murine Bladder Cancer
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An Orthotopic Model of Murine Bladder Cancer
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Area of Science:

  • Urology
  • Oncology
  • Medical Research

Background:

  • Bladder cancer presents significant morbidity and mortality if not managed effectively.
  • Hematuria is a key presenting symptom, underscoring the need for prompt diagnosis and personalized care.
  • Optimal treatment and follow-up are essential for successful patient outcomes.

Purpose of the Study:

  • To outline current diagnostic and treatment paradigms for bladder cancer.
  • To highlight the importance of individualized treatment strategies based on cancer stage.
  • To discuss emerging therapeutic approaches and the impact of recent genetic discoveries.

Main Methods:

  • Review of established treatment protocols for non-muscle-invasive bladder cancer (NMIBC).
  • Analysis of multimodal treatment options for muscle-invasive bladder cancer (MIBC).
  • Evaluation of systemic chemotherapy and immunotherapy for advanced bladder cancer.
  • Consideration of bladder-sparing trimodality treatment options.

Main Results:

  • Complete tumor resection followed by intravesical immunotherapy (BCG vaccine) or chemotherapy is standard for NMIBC.
  • Radical cystectomy with neoadjuvant chemotherapy offers the best cure potential for MIBC.
  • Bladder-sparing trimodality treatment is a viable option for selected MIBC patients.
  • Systemic chemotherapy is the primary treatment for advanced disease, with immunotherapy as a salvage option.

Conclusions:

  • Personalized treatment approaches, from intravesical therapies to radical surgery and chemotherapy, are critical for bladder cancer management.
  • Emerging research into genetic subtypes may further refine treatment selection and improve patient response.
  • Continuous follow-up and adaptation of treatment based on disease stage and patient factors are paramount.