Ankle and Foot Conditions

A. Douglas Spitalny, DPM

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Achilles tendinosis

Achilles tendonitis needs to be classified as either insertional or non-insertional. Insertional achilles tendonitis is more often calcific achilles tendonitis.

Non-insertional achilles tendonitis is subdivided into achilles tenosynovitis or tendinosis. Tendinosis refers to a diseased tendon. The substance of the tendion will show myxoid degeneration and longitudinal streaking of inflammation on MRI.

chim1.jpg

Tendon shows changes on both T1 and T2, note the thickened portion of the tendon

chim2.jpg

T2 image will also show longitudinal streaking if inflammation