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Related Concept Videos

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

Imaging Studies I: Kidney, Ureter, and Bladder Studies

107
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...
107
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

484
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...
484
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

544
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...
544
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

236
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
236
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

140
IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
140
Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

264
Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
264

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Related Experiment Video

Updated: Nov 20, 2025

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
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Pediatric biliary disorders: Multimodality imaging evaluation with clinicopathologic correlation.

Hassan Aboughalia1, Helen Hr Kim2, Andre A S Dick3

  • 1Radiology Department, University of Washington Medical Center, Seattle, WA 98195, United States of America.

Clinical Imaging
|January 25, 2021
PubMed
Summary

Pediatric biliary tree pathologies differ by age, from congenital anomalies in newborns to acquired conditions in older children. Multimodality imaging is crucial for diagnosis and management of these unique pediatric biliary diseases.

Keywords:
Alagille syndromeBile leakBiliary atresiaCholedochal cystPediatric biliary disordersPrimary sclerosing cholangitis

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Related Experiment Videos

Last Updated: Nov 20, 2025

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Area of Science:

  • Pediatric Radiology
  • Gastrointestinal Imaging
  • Hepatobiliary Diseases

Background:

  • Biliary tree pathologies in children present uniquely compared to adults, varying with age.
  • Congenital anomalies arise from in utero factors, while acquired conditions affect older children.
  • Effective management necessitates understanding age-specific presentations and imaging features.

Purpose of the Study:

  • To review the anatomy and embryology of the pediatric biliary system.
  • To provide an overview of imaging modalities for pediatric biliary assessment.
  • To discuss unique pediatric biliary pathologies, imaging findings, histopathology, and clinical management.

Main Methods:

  • Review of pediatric biliary system anatomy and embryology.
  • Overview of multimodality imaging techniques (e.g., ultrasound, MRI, CT).
  • Discussion of pediatric-specific biliary pathologies with imaging and histopathologic correlation.

Main Results:

  • Pediatric biliary pathologies exhibit age-dependent variations in presentation and consequences.
  • Multimodality imaging is essential for accurate diagnosis and management planning.
  • Understanding unique imaging features aids in differentiating pediatric biliary conditions.

Conclusions:

  • Age-specific knowledge of pediatric biliary pathologies and their imaging characteristics is vital.
  • Multimodality imaging assessment guides appropriate clinical management strategies.
  • This review provides a comprehensive resource for clinicians managing pediatric biliary diseases.