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Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

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,...
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

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...
Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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...
Urinary Bladder01:23

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...
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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Magnetic Resonance Imaging Assessment of Carcinogen-induced Murine Bladder Tumors
05:19

Magnetic Resonance Imaging Assessment of Carcinogen-induced Murine Bladder Tumors

Published on: March 29, 2019

Postmortem MRI of bladder agenesis.

Brendan R Barber1, Martin A Weber, Detlef Bockenhauer

  • 1Radiology Department, St George's Hospital, Blackshaw Road, London, SW17 0QT, UK. bbarber3000@yahoo.co.uk

Pediatric Radiology
|August 7, 2010
PubMed
Summary
This summary is machine-generated.

This study details a rare case of bladder agenesis in a preterm infant with dysplastic kidneys. A suprapubic catheter was mistakenly placed into a kidney cyst, confirmed by postmortem MRI and autopsy.

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Area of Science:

  • Medical imaging
  • Pediatric pathology
  • Neonatal medicine

Background:

  • Bladder agenesis is a rare congenital anomaly.
  • Renal dysplasia can occur with bladder agenesis.
  • Diagnostic challenges in neonates with complex congenital anomalies.

Observation:

  • A 35-week preterm neonate presented with bladder agenesis and bilateral dysplastic kidneys.
  • A suprapubic catheter was inadvertently placed into a renal cyst.
  • Postmortem MRI and autopsy confirmed the findings.

Findings:

  • The postmortem MRI provided detailed visualization of the renal and urinary tract abnormalities.
  • This study presents a rare case of bladder agenesis with associated renal dysplasia.
  • Confirmation of findings through autopsy validates the MRI results.

Implications:

  • This case underscores the importance of meticulous diagnostic procedures in neonates with suspected congenital anomalies.
  • Postmortem MRI can offer valuable insights into complex fetal and neonatal conditions.
  • Further research into the embryological origins of bladder agenesis and renal dysplasia is warranted.