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A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
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Upper GI Series: Barium Swallow01:24

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Radiological Investigation I: X-ray and CT01:30

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

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Related Experiment Video

Updated: Nov 17, 2025

Studying Murine Small Bowel Mechanosensing of Luminal Particulates
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Small bowel radiology.

Michael C Olson1, Patrick J Navin, Christopher L Welle

  • 1Department of Radiology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, Minnesota, USA.

Current Opinion in Gastroenterology
|February 16, 2021
PubMed
Summary
This summary is machine-generated.

Advanced imaging techniques like CT, US, and MRI are revolutionizing small bowel disease diagnosis. Innovations in molecular imaging and AI promise to further enhance patient care and outcomes.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Gastroenterology

Background:

  • Computed tomography (CT), ultrasound (US), magnetic resonance imaging (MRI), and nuclear radiology have advanced small bowel pathology diagnosis.
  • Noninvasive imaging plays a crucial role in evaluating and managing small bowel diseases.

Purpose of the Study:

  • To review the current status and recent advancements in multimodality noninvasive imaging of the small bowel.
  • To highlight the impact of new imaging technologies on small bowel disease assessment.

Main Methods:

  • Review of recent advances in CT, US, MRI, and nuclear radiology for small bowel evaluation.
  • Discussion of novel techniques such as dual-energy CT, advanced US and MRI sequences, and molecular imaging.
  • Exploration of the role of computational image analysis and artificial intelligence (AI).

Main Results:

  • CT and MR enterography are established for small bowel evaluation.
  • Dual-energy CT shows promise for mesenteric ischemia and bleeding.
  • Advanced US and MRI techniques are under investigation for inflammation, treatment response, motility, and fibrosis.
  • Molecular imaging is the standard for small bowel neuroendocrine tumors.
  • AI has the potential to improve diagnostic accuracy and reduce variability.

Conclusions:

  • Translational imaging research and technological progress have increased the adoption of cross-sectional imaging for small bowel conditions.
  • Developments in image acquisition, postprocessing, molecular imaging, and AI are poised to transform patient care for small bowel diseases.