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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Appendicular abscess MRI

Introduction

Overview

Overview

Magnetic resonance imaging (MRI) has become the common technique for diagnosing appendicitis in children and pregnant patients.

MRI

MRI

MRI usage has become investigation of choice in the diagnosis of appendicular abscess for children and pregnant patients because of [1]

  • Low risk of radiation in children and developing fetus.
  • The enlarged uterus displaces the appendix during the second and third trimesters of pregnancy, making it difficult to find by ultrasound. An MRI is therefore preferred.

On an MRI, a periappendiceal stranding appears as an increased fluid signal on the T2 weighted sequence (while it is reflected by fat stranding on a CT scan).[1]

Axial T2-Weighted MRI demonstrates a dilated fluid filled appendix with periappendiceal fat stranding and two appendicoliths (dark signal within the appendix lumen).[1]
References

References

  1. ↑ 1.0 1.1 1.2 Image courtesy of Radiologypics. Radiologypics

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aditya Ganti M.B.B.S. [2]