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Imaging Studies II: Ultrasonography01:24

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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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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
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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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Transient intussusception - What the sonographer needs to know.

Martin Necas1, Stacey Thomas1, Kara Prout1

  • 1Ultrasound Department Waikato Hospital Hamilton New Zealand.

Australasian Journal of Ultrasound in Medicine
|September 13, 2023
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Summary

Transient intussusceptions are increasingly identified via medical imaging. Sonographers must differentiate between acute, symptomatic, and asymptomatic cases, especially enteroenteric intussusceptions in children, to guide appropriate management.

Keywords:
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Area of Science:

  • Radiology
  • Pediatric Imaging
  • Gastroenterology

Background:

  • Intussusception is often an emergency, but imaging reveals transient, asymptomatic forms.
  • Sonographic detection of intussusception has increased, necessitating classification.

Purpose of the Study:

  • To review transient intussusceptions.
  • To differentiate between pediatric and adult intussusceptions.
  • To describe sonographic findings of intussusceptions and mimics.

Main Methods:

  • Literature review of intussusception imaging.
  • Analysis of sonographic appearances.
  • Comparison of pediatric and adult cases.

Main Results:

  • Three categories of intussusception exist: persistent, transient symptomatic, and transient asymptomatic.
  • Transient asymptomatic intussusceptions are common in the small bowel.
  • Adult intussusceptions may indicate pathological lead points.

Conclusions:

  • Sonographers need to recognize transient intussusceptions to avoid misdiagnosis of acute pathology.
  • Management strategies vary based on intussusception type and patient age.
  • Awareness of differences between children and adults is crucial for accurate diagnosis.