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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
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Imaging Studies III: Computed Tomography

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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...

Upper GI Series: Barium Swallow

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Purpose and Procedure
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Imaging Studies I: CT and MRI

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
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Imaging Studies IV: Magnetic Resonance Imaging

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 II: Positron Emission Tomography and Scintigraphy

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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Updated: Jun 5, 2026

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation

Published on: September 22, 2023

Alimentary tract imaging.

R G Gibney, D M Nichols

Canadian Family Physician Medecin De Famille Canadien

|January 27, 2011

Summary

This summary is machine-generated.

Radiological imaging for alimentary tract disease has evolved beyond plain radiographs and barium studies. Newer techniques like ultrasound and computed tomography now significantly impact routine investigations for common gastrointestinal conditions.

Related Experiment Videos

Last Updated: Jun 5, 2026

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation

Published on: September 22, 2023

Area of Science:

Radiology
Gastroenterology
Medical Imaging

Background:

Plain abdominal radiographs and barium studies were traditional methods for investigating alimentary tract disease.
These basic radiological procedures remain valuable due to cost-effectiveness, accessibility, and ease of use.
Advancements in imaging technology have introduced new modalities impacting diagnostic approaches.

Purpose of the Study:

To provide guidance on the investigation of various gastrointestinal and abdominal conditions.
To highlight the evolving role of radiological methods in diagnosing alimentary tract disease.
To compare the utility of traditional versus newer imaging techniques.

Main Methods:

Review of established and emerging radiological investigation techniques.
Discussion of diagnostic pathways for specific clinical presentations.
Comparative analysis of imaging modalities for alimentary tract diseases.

Main Results:

Plain radiographs and barium studies maintain relevance for specific indications.
Newer modalities like ultrasound, nuclear medicine, and computed tomography have become integral to routine investigations.
These advanced techniques offer improved diagnostic capabilities for a range of abdominal pathologies.

Conclusions:

The investigation of alimentary tract disease now involves a combination of traditional and advanced radiological methods.
Guidance is offered for selecting appropriate imaging based on clinical scenarios such as acute abdomen, abdominal mass, and jaundice.
The impact of newer imaging modalities on the diagnostic workup of gastrointestinal disorders is significant.