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  Medical Imaging  ←  
Presentation


Phoenix Diagnostic Clinic

Accuracy of MRI in the Diagnosis of Meniscal Lesions

 Angelica Mangrău¹, G.Botiş¹, G. Dinu², F.Oancea², Antonia Bănicescu¹, N. Bolog¹
¹ Phoenix Diagnostic Clinic, Bucharest
² Orthopedic Clinic, Emergency Hospital Bucharest

Introduction

Menisci - internal structures of the knee frequent interested in traumatic pathology

Posttraumatic and degenerative lesions - frequent in young and active persons

Related with sports activities

Posterior horn of medial meniscus is frequent interested

Introduction - Imaging

MRI is the primary imaging modality
high resolution
soft tissue contrast
multiplanar capabilities
3.500 MR examination/ year
    ~ 14% knee MR examination    (400)

Intraarticular and extraarticular structures
Phoenix Diagnostic Clinic, Bucharest
MRI - diagnosis and characterisation of meniscal tears

 - lesion location, size, shape
 - presence and dimension of a displaced meniscal fragment
 - associated lesions
B. C. Vande Berg- AJR 2001; 176:771-776

A reported accuracy for
detection of meniscal
tears of 90-95%
Helms C.A. Radiology 2002; 224: 631-635
Internal meniscal tears - 42-year-old male
Clck to enlarge!Clck to enlarge!
External meniscal tears - 25-year-old male (clck to enlarge!)
Results:


19 patients- bilateral meniscal lesions



Se%Sp%ROC-Az (CI95%)
Both menisci6987.836 (.79- .88)



Diagnostic accuracy for meniscal tears

ROC curves for both menisci
Click to enlarge!Click to enlarge!
Internal meniscal tears  -  29-year-old female  -  External meniscal tears

Conclusion


  MR imaging is an accurate technique in evaluation of  meniscal tears in patients with knee trauma being an useful tool  in preoperative assessment


August 10, 2009

Phoenix Diagnostic Clinic, Bucharest


Notice:
This site is primarily intended for use by qualified medical or sport professionals.
If you are a consumer, you should evaluate the information together with your physician or other qualified healthcare professional.
The information provided here is for educational and informational purposes only and should not be considered as a medical advice.
As medical and sport science is permanently changing, we (authors and publishers) use our best efforts to provide accurate information, but we can not warrant that the information in this article and web site is accurate, complete or up-to-date.
This article reflects the opinions and judgments of it's author and may be further updated.
If you have questions regarding this article, please contact the author.
Information belongs to Phoenix Diagnostic Clinic, Bucharest

 
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