RETROCALCANEAL BURSITIS RADIOLOGY MRI
- RETROCALCANEAL BURSITIS.
- ACHILLES TENDONOSIS.
- The retrocalcaneal bursa lies anterior and deep to the Achilles tendon postero superior to the calcaneum.
- The normal bursa has minimal fluid so on MRI you may see nothing or just a thin amount of fluid without synovial thickening.
- For retrocalcaneal bursitis on MRI look for contained fluid signal intensity in the expected location of the bursa.
- In this case there is significant fluid in the bursa (Pink arrow) in keeping with bursitis.
- The Achilles tendon is usually abnormal with tendonosis or tears. In this case, increased intermediate signal and expansion Achilles tendon (Green Arrow) in keeping with tendonosis.
- Fluid present anterior to the Achilles tendon ( Pink arrow).
- Increased intermediate signal and expansion Achilles tendon ( Green Arrow).
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