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Related Concept Videos

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

Anatomy of the Genitourinary System II: Bladder and Urethra

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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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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.
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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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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Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

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Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
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Urinary Tract Calculi VI: Surgical Management01:25

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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: Nov 30, 2025

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
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Bladder Duplication - A Case Series.

Mellissa Delcont1, Laura Chiara Guglielmetti2, Nripesh Rajbhandari3

  • 1University of Colorado School of Medicine, Aurora, CO.

Urology
|November 15, 2020
PubMed
Summary
This summary is machine-generated.

Urinary bladder duplication is a rare congenital anomaly. Treatment for this condition is individualized based on patient symptoms and associated congenital diseases.

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Area of Science:

  • Urology
  • Congenital Anomalies
  • Pediatric Surgery

Background:

  • Urinary bladder duplication is an extremely rare congenital anomaly.
  • Approximately 70 cases have been reported in English literature.

Observation:

  • This study describes 5 cases of urinary bladder duplication treated between 2000 and 2015.
  • Diagnoses were made prenatally (1 case) and up to 12 months of age.
  • Voiding cystourethrography confirmed diagnosis in 4 patients.

Findings:

  • Three complete reduplications and one complete sagittal septum were identified.
  • All patients had associated congenital diseases.
  • Only one patient experienced urinary tract infections.

Implications:

  • Urinary bladder duplications are rare and often associated with other congenital anomalies.
  • Treatment requires a personalized approach based on individual patient needs.
  • Further research into management strategies for bladder duplication is warranted.