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

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Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

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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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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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Endoscopic Procedures III: Video Capsule Endoscopy01:28

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Related Experiment Video

Updated: Dec 23, 2025

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
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MR enterography - Impact on image quality between single- versus split-dose Buscopan.

Akshay Rao1, Fariha Sitheeque1, Sonja Gustafson1

  • 1Department of Medical Imaging, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia.

Journal of Medical Imaging and Radiation Oncology
|April 30, 2020
PubMed
Summary
This summary is machine-generated.

Split-dose Buscopan significantly reduces bowel peristalsis compared to a single dose, leading to improved image quality in MR enterography for Crohn's disease assessment.

Keywords:
BuscopanCrohn's diseaseMREcine MRIenterography

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Area of Science:

  • Radiology
  • Gastroenterology
  • Medical Imaging

Background:

  • MR enterography (MRE) is crucial for evaluating small bowel pathology, especially Crohn's disease.
  • Spasmolytic agents like Buscopan are used in MRE to minimize motion blur and enhance diagnostic image quality.
  • Standard MRE protocols often involve a single dose of Buscopan.

Purpose of the Study:

  • To investigate whether an evenly split dose of Buscopan improves MR enterography image quality compared to a standard single dose.
  • To quantify the effect of split-dose versus single-dose Buscopan on small bowel peristalsis.

Main Methods:

  • Evaluated 34 patients undergoing MR enterography between October 2018 and April 2019.
  • Utilized cine sequences to assess small bowel peristalsis in anterior and mid-abdominal sections.
  • Employed digital subtraction and signal-to-noise ratio measurements to compare bowel movement between groups.

Main Results:

  • The split-dose Buscopan group showed a significantly lower number of peristalsing bowel loops in both anterior (mean difference 2.4, P=0.001) and mid-abdominal sections (mean difference 2.5, P=0.001) compared to the single-dose group.
  • This reduction in peristalsis indicates less bowel motion in the split-dose group.

Conclusions:

  • Split-dose Buscopan administration significantly reduces small bowel peristalsis compared to a single dose.
  • Reduced peristalsis minimizes motion artifacts, thereby enhancing the diagnostic quality of MR enterography images.
  • This finding supports the optimization of Buscopan dosing for improved MRE studies.