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Related Concept Videos

Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
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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,...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
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Computed Tomography (CT) scan:
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Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure
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Published on: July 30, 2009

MRI for clinically suspected pediatric appendicitis: an implemented program.

Michael M Moore1, Cristy N Gustas, Arabinda K Choudhary

  • 1Department of Radiology, Penn State Milton S Hershey Medical Center, Hershey, PA 17033-0850, USA. mmoore5@hmc.psu.edu

Pediatric Radiology
|June 9, 2012
PubMed
Summary
This summary is machine-generated.

Magnetic Resonance Imaging (MRI) offers a safe and effective alternative to CT scans for diagnosing pediatric appendicitis. This study demonstrates MRI

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Area of Science:

  • Radiology
  • Pediatric Imaging
  • Emergency Medicine

Background:

  • Emergent MRI is a viable alternative to CT for appendicitis evaluation, avoiding ionizing radiation.
  • Pediatric appendicitis evaluation using MRI remains underutilized despite its benefits.

Purpose of the Study:

  • To describe the development and outcomes of a clinical program utilizing MRI as the primary imaging modality for pediatric appendicitis.
  • To assess the diagnostic accuracy and efficiency of an expedited MRI protocol in children.

Main Methods:

  • A four-sequence MRI protocol was used for 208 children (ages 3-17) with suspected appendicitis.
  • No intravenous/oral contrast or sedation was administered.
  • Data collected included diagnostic results and time parameters.

Main Results:

  • MRI demonstrated high diagnostic accuracy: 97.6% sensitivity and 97.0% specificity.
  • The expedited protocol was clinically feasible, with efficient imaging and reporting times.
  • Negative predictive value was 99.4%, indicating high confidence in ruling out appendicitis.

Conclusions:

  • MRI is an effective and efficient imaging method for pediatric appendicitis.
  • An expedited four-sequence MRI protocol achieves diagnostic performance comparable to CT.
  • MRI provides a radiation-free imaging option for children with suspected appendicitis.