Iliotibial
friction syndrome
Iliotibial
band (ITB) anatomy – Functional:
anterolateral
stability of the tibia together with
ACL, LCL, and LM
–
ITB syndrome was first described in 1963
–
Friction between ITB and lateral epicondyle
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Iliotibial
friction syndrome – Runners, football
players,
weight
lifters
– Errors in training in 40% cases
Clinical
diagnosis: lateral pain
Role of
MRI:
–
Definitive diagnostic (extraarticular) – especially for a
rapid
diagnostic – the recovery time is crucial in athletes
–
Differential (when the pain is
diffuse):
• Lateral meniscal tear
•
Popliteal tendon pathology
• Lateral collateral
ligament strain
• Ostheocondritis disecans |  |
MR
findings:
1. High-signal
intensity of ITB 2.
Fluid collection deep to the ITB 3. Focal thickening
of ITB 4. Edema lateral epicondyle 5.
Signal change in posterior horn of lateral
meniscus |  |
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