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  Medical Imaging  ←  MRI of the Knee  ←

Phoenix Diagnostic Clinic

MR evaluation of ACL graft  ←  MR evaluation of tunnels position

Tibial tunnel:

– The anterior margin of the tunnel should be posterior to a line along the roof of femoral notch
– The center of the tunnel between 1/4 and1/3 from tibia
McCauley TR. Radiology 2005;234:53

– Too forward: graft impingement limiting extension
– Too posterior: instability
MR evaluation of tibial tunnelMR evaluation of tibial tunnel

Femoral tunnel:
– The femoral tunnel should be at or behind a point formed by a line through posterior cortex femur and a line drawn along the intercondylar notch
McCauley TR. Radiology 2005;234:53

– Too forward: instability and decreased range of motion
MR evaluation of femoral tunnelMR evaluation of femoral tunnel

 Incorrect ACL tibial tunnel
 Anterior pain and limited extension after ACL reconstruction
Incorrect ACL tibial tunnelIncorrect ACL tibial tunnel

October 16, 2009

Phoenix Diagnostic Clinic, Bucharest

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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