Accuracy of Magnetic Resonance Imaging and Ultrasound for Appendicitis in Diagnostic and Nondiagnostic Studies

Academic Emergency Medicine : Official Journal of the Society for Academic Emergency Medicine
Y Liza KearlCarl Berdahl

Abstract

Suggestive radiographic studies with nonvisualization of the appendix can present a challenge to clinicians in the evaluation of pediatric abdominal pain. The primary objective of this study was to quantify the accuracy of magnetic resonance imaging (MRI) and of ultrasound (US) in the setting of nonvisualization of the appendix. Secondary objectives reported include sensitivity of MRI and US overall and correlation between MRI and US for diagnosis of appendicitis. Records of pediatric emergency department patients aged 3 to 21 years undergoing MRI and/or US for the evaluation of appendicitis were retrospectively reviewed. Radiographs were categorized as a normal appendix, neither demonstrating the appendix nor demonstrating abnormalities consistent with appendicitis; equivocal, not demonstrating the appendix but showing evidence of appendicitis; demonstrating an abnormal appendix consistent with appendicitis; or demonstrating an alternate pathology. The reading was compared with the final diagnosis for accuracy. Of the 589 patients included, 146 had appendicitis. Diagnostic accuracy for studies with a nonvisualized appendix without secondary signs of appendicitis was 100% for MRI and 91.4% (95% CI = 87.3% to 94.2%) for US. Diag...Continue Reading

References

Sep 11, 2010·The Journal of Pediatrics·Suzanne SchuhAndrea S Doria
May 25, 2012·AJR. American Journal of Roentgenology·Alisa K JohnsonJanice Gallant
Jun 9, 2012·Pediatric Radiology·Michael M MooreDanielle K B Boal
Mar 27, 2013·Pediatric Emergency Care·Andrea EsteyRodrick Lim
Aug 14, 2013·Pediatrics International : Official Journal of the Japan Pediatric Society·Huseyin ToprakMurat Acar
Aug 28, 2013·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Samantha MatzDavid Drachman
Mar 5, 2014·Pediatrics·Gudrun AspelundCarrie Ruzal-Shapiro
May 21, 2014·Academic Emergency Medicine : Official Journal of the Society for Academic Emergency Medicine·Marjolein M N LeeuwenburghUNKNOWN OPTIMAP Study Group
Oct 8, 2014·American Journal of Obstetrics and Gynecology·Lauren H TheilenAlison G Cahill
Oct 24, 2014·AJR. American Journal of Roentgenology·Lucila A RosinesCarrie B Ruzal-Shapiro

❮ Previous
Next ❯

Citations

Oct 16, 2016·Pediatric Surgery International·Rebecca M RenteaCharles L Snyder
Nov 1, 2016·Academic Emergency Medicine : Official Journal of the Society for Academic Emergency Medicine·Richard G BachurAnupam B Kharbanda
Nov 5, 2016·Critical Ultrasound Journal·Jennifer R MarinResa E Lewiss
Jan 1, 2017·Academic Emergency Medicine : Official Journal of the Society for Academic Emergency Medicine·Katherine FullertonMarlene Melzer-Lange
Jan 22, 2017·Pediatric Radiology·Gray R LyonsArzu Kovanlikaya
Aug 15, 2018·AJR. American Journal of Roentgenology·David W SwensonEdward Y Lee
Sep 17, 2020·Pediatric Radiology·Nadja Kadom
Mar 3, 2021·Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes·Jelena KomanchukGraham Thompson
Jul 22, 2021·Biomarkers in Medicine·Sarah Vl HodgeGraham C Thompson
Jan 23, 2020·Pediatrics·Rebecca JenningsDavene R Wright

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.