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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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...
Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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...

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Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
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Published on: June 21, 2024

Contemporary pediatric gynecologic imaging.

Sabah Servaes1, Teresa Victoria, Jovan Lovrenski

  • 1Department of Radiology, The Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, PA 19104, USA.

Seminars in Ultrasound, CT, and MR
|March 23, 2010
PubMed
Summary

Ultrasound is the preferred imaging method for pediatric gynecologic conditions due to its safety and cost-effectiveness. Magnetic resonance imaging (MRI) is a valuable second-line tool for complex cases, offering superior anatomical detail without radiation.

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Area of Science:

  • Radiology
  • Pediatric Gynecology
  • Medical Imaging

Background:

  • Ultrasound is the primary diagnostic tool for pediatric gynecologic issues.
  • Magnetic resonance imaging (MRI) use is increasing for complex pelvic masses and congenital anomalies.
  • Computed tomography (CT) is generally reserved for tumor staging due to ionizing radiation.

Purpose of the Study:

  • To compare the utility of ultrasound and MRI in evaluating pediatric gynecologic conditions.
  • To highlight the advantages of ultrasound as a first-line screening modality.
  • To define the role of MRI as a second-line examination.

Main Methods:

  • Review of current literature and clinical practice guidelines.
  • Comparison of imaging characteristics, safety profiles, and costs of ultrasound and MRI.
  • Discussion of the applications of fluoroscopy and abdominal radiography.

Main Results:

  • Ultrasound offers excellent visualization, dynamic imaging, and is free from ionizing radiation and sedation risks, making it cost-effective.
  • MRI provides superior anatomical detail of the female reproductive system compared to CT, without radiation.
  • CT is primarily used for tumor staging, while fluoroscopy and radiography offer supplementary diagnostic information.

Conclusions:

  • Ultrasound remains the preferred initial imaging modality for pediatric gynecologic conditions.
  • MRI is a valuable second-line imaging technique for complex cases, particularly congenital anomalies.
  • A combination of imaging modalities may be necessary for comprehensive diagnosis and management.