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ITB ILIOTIBIAL BAND FRICTION SYNDROME MRI
TWO POSSIBILLITIES
With fluid deep to the ITB we have 2 possibilities.
-
- It’s a recess of the suprapatellar bursa or,
- It’s an ITB bursa (an adventitial bursa which develops due to friction).
HOW DOES THE ANATOMY HELP TO DIFFERENTIATE?
- ITB BURSA will NOT communicate with the suprapatellar recess or supraptellar bursa.
- SUPRAPATELLAR RECESS will communicate with the joint via the suprapatellar bursa.
MRI HOW DO YOU DIFFERENTIATE THEM
- Follow the axial scans from superior to inferior.
- See if you can spot any communication between the the fluid and the suprapatellar bursa/recess.
- If you can’t see any communication it’s an ITB bursa.
THE TAKE AWAY
- You can confuse a normal supra patellar recess with an ITB bursa.
- But the recess will communicate with the joint and the ITB bursa won’t.
- On axial scans look for communication between joint/ recess and the fluid collection.
ITBILIOTIBIAL BAND FRICTION SYNDROME BURSA OR RECESS ON MRI?
Learn more about this condition and how to best report it in more detail in our Guided KNEE MRI Mini Fellowship.
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