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Related Concept Videos

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
Imaging Studies IV: Magnetic Resonance Imaging01:27

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,...
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

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.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

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
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
Imaging Studies I: CT and MRI01:14

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:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...

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Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
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MRI of rectal disorders.

Christine C Hoeffel1, Louisa Azizi, Najat Mourra

  • 1Department of Radiology, Université Paris-Descartes Faculté de Medecine Cochin Port-Royal, Hôpital Saint-Antoine, 184 Rue du Faubourg, Saint-Antoine 75571, Paris cedex 12, France. christine.hoeffel@sat.ap-hop-paris.fr

AJR. American Journal of Roentgenology
|August 25, 2006
PubMed
Summary

This review highlights diseases of the rectal wall, emphasizing key clinical and radiologic features for diagnosis. Magnetic resonance imaging (MRI) offers superior tissue contrast for accurate identification of rectal diseases.

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Area of Science:

  • Radiology
  • Gastroenterology
  • Pathology

Background:

  • The rectum is susceptible to various pathologies.
  • Accurate diagnosis of rectal diseases is crucial for patient management.

Purpose of the Study:

  • To review diseases affecting the rectal wall.
  • To emphasize key clinical and radiologic differentiating features.
  • To highlight the role of MRI in diagnosing rectal conditions.

Main Methods:

  • Pictorial essay format.
  • Review of clinical and radiologic findings.
  • Emphasis on Magnetic Resonance Imaging (MRI) characteristics.

Main Results:

  • A broad range of disease processes can affect the rectal wall in adults.
  • Distinct clinical and radiologic features aid in differentiating rectal diseases.

Conclusions:

  • MRI is the preferred imaging modality for definitive diagnosis of rectal diseases.
  • MRI's superior tissue contrast differentiation is key to its diagnostic utility.